Part 92
Pyr"ox*ene (?), n. [F. pyroxËne, from Gr. &?; fire + &?; a stranger; -- so called because it was supposed to the be a stranger, or of rare occurrence, in igneous rocks,] (Min.) A common mineral occurring in monoclinic crystals, with a prismatic angle of nearly 90∞, and also in massive forms which are often laminated. It varies in color from white to dark green and black, and includes many varieties differing in color and composition, as diopside, malacolite, salite, coccolite, augite, etc. They are all silicates of lime and magnesia with sometimes alumina and iron. Pyroxene is an essential constituent of many rocks, especially basic igneous rocks, as basalt, gabbro, etc.
The pyroxene group contains pyroxene proper, also the related orthorhombic species, enstatite, bronzite, hypersthene, and various monoclinic and triclinic species, as rhodonite, etc.
Pyr`ox*en"ic (?), a. [Cf. F. pyroxÈnique.] Containing pyroxene; composed chiefly of pyroxene.
Py*rox"e*nite (?), n. (Min.) A rock consisting essentially of pyroxene.
Py*rox"yle (?), n. [Cf. F. pyroxyle. See Pyroxylic, -yl.]
Pyr`ox*yl"ic (?), a. [Pyro- + Gr. &?; wood.] (Old Chem.) Derived from wood by distillation; -- formerly used in designating crude wood spirit.
Py*rox"y*lin (?), n. (Chem.) A substance resembling gun cotton in composition and properties, but distinct in that it is more highly nitrified and is soluble in alcohol, ether, etc.; -- called also pyroxyle.
Pyr"rhic (?), a. [L. pyrrhichius, Gr. &?; belonging to the &?; (sc. &?;) a kind of war dance.] 1. Of or pertaining to an ancient Greek martial dance. " ye have the pyrrhic dance as yet." Byron.
2. (Pros.) Of or pertaining to a pyrrhic, or to pyrrhics; containing pyrrhic; as, a pyrrhic verse.
Pyr"rhic, n. 1. [Gr. &?;: cf. F. pyrrhique, fem.] An ancient Greek martial dance, to the accompaniment of the flute, its time being very quick.
2. [L. pyrrhichius (sc. pes), Gr. &?; (sc. &?;): cf. F. pyrrhique, masc.] (Pros.) A foot consisting of two short syllables.
Pyr"rhi*cist (?), n. (Gr. Antiq.) One two danced the pyrrhic.
{ Pyr*rho"ne*an (?), Pyr*rhon"ic (?), } a. [L. PyrrhonÍus: cf. F. pyrrhonien.] Of or pertaining to pyrrhonism.
Pyr"rho*nism (?), n. [From Pyrrho, the founder of a school of skeptics in Greece (about 300 b. c.): cf. F. pyrrhonisme.] Skepticism; universal doubt.
Pyr"rho*nist (?), n. A follower of Pyrrho; a skeptic.
{ Pyr"rho*tine (?), Pyr"rho*tite (?), } n. [Gr. &?; flame-colored, fr. &?; fire.] (Min.) A bronze-colored mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Called also magnetic pyrites.
Pyr"rol (?), n. [Gr. &?; flame-colored (from &?; fire) + L. oleum oil.] (Chem.) A nitrogenous base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless liquid, C4H5N, having on odor like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colors a splinter of wood moistened with hydrochloric acid a deep red.
Pyr"ro*line (?), n. (Chem.) A nitrogenous base, C4H7N, obtained as a colorless liquid by the reduction of pyrrol.
||Pyr"u*la (?), n. [NL., fr. L. pyrus a pear.] (Zoˆl.) A genus of large ||marine gastropods. having a pear-shaped shell. It includes the ||fig-shells. See Illust. in Appendix.
Py*ru"ric (?), a. Same as Pyro¸ric.
||Py"rus (?), n. [L. pyrus, or better pirus, pear tree.] (Bot.) A genus ||of rosaceous trees and shrubs having pomes for fruit. It includes the ||apple, crab apple, pear, chokeberry, sorb, and mountain ash.
Py*ru"vic (?), a. [Pyro- + L. uva a grape.] (Chem.) Pertaining to, or designating, an acid (called also pyroracemic acid) obtained, as a liquid having a pungent odor, by the distillation of racemic acid.
Py*ru"vil (?), n. (Chem.) A complex nitrogenous compound obtained by heating together pyruvic acid and urea.
Pyth`a*go"re*an (?), a. [L. Pythagoreus, Gr. &?;.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy.
The central thought of the Pythagorean philosophy is the idea of number, the recognition of the numerical and mathematical relations of things.
Encyc. Brit.
Pythagorean proposition (Geom.), the theorem that the square described upon the hypothenuse of a plane right-angled triangle is equal to the sum of the squares described upon the other two sides. -- Pythagorean system (Astron.), the commonly received system of astronomy, first taught by Pythagoras, and afterward revived by Copernicus, whence it is also called the Copernican system. -- Pythagorean letter. See Y.
Pyth`a*go"re*an (?), n. A follower of Pythagoras; one of the school of philosophers founded by Pythagoras.
Pyth`a*go"re*an*ism (?), n. The doctrines of Pythagoras or the Pythagoreans.
As a philosophic school Pythagoreanism became extinct in Greece about the middle of the 4th century [B. C.].
Encyc. Brit.
{ Pyth`a*gor"ic (?), Pyth`a*gor"ic*al (?), } a.[L. Pythagoricus, Gr. &?;: cf. F. pythagorique.] See Pythagorean, a.
Py*thag"o*rism (?), n. [Gr. &?;.] The doctrines taught by Pythagoras.
Pythagoras made numbers the basis of his philosophical system, as well physical as metaphysical. The doctrine of the transmigration of souls (metempsychosis) is associated closely with name of Pythagoras.
Py*thag"o*rize (?), v. i. [imp. & p. p. Pythagorized (?); p. pr. & vb. n. Pythagorizing (?).] [Gr. &?;.] To speculate after the manner of Pythagoras.
Pyth"i*ad (?), n. [See Pythian.] (Gr. Antiq.) The period intervening between one celebration of the Pythian games and the next.
Pyth"i*an (?), a. [L. Pythius, Gr. &?; belonging to Pytho, the older name of Delphi and its environs: cf. F. pythien.] Of or pertaining to Delphi, to the temple of Apollo, or to the priestess of Apollo, who delivered oracles at Delphi.
Pythian games (Gr. Antiq.), one of the four great national festivals of ancient Greece, celebrated near Delphi, in honor of Apollo, the conqueror of the dragon Python, at first once in eight years, afterward once in four.
Pyth`o*cen"ic (?), a. [Gr. &?; to rot + &?; origin.] Producing decomposition, as diseases which are supposed to be accompanied or caused by decomposition.
Py"thon (?), n. [NL., fr. L. Python the serpent slain near Delphi by Apollo, Gr. &?;.] 1. (Zoˆl.) Any species of very large snakes of the genus Python, and allied genera, of the family PythonidÊ. They are nearly allied to the boas. Called also rock snake.
The pythons have small pelvic bones, or anal spurs, two rows of subcaudal scales, and pitted labials. They are found in Africa, Asia, and the East Indies.
2. A diviner by spirits. "[Manasses] observed omens, and appointed pythons." 4 Kings xxi. 6 (Douay version).
Pyth"o*ness (?), n. [L. pythonissa: cf. F. pythonisse. See Pythian.] 1. (Gr. Antiq.) The priestess who gave oracular answers at Delphi in Greece.
2. Any woman supposed to have a spirit of divination; a sort of witch. Bp. Hall.
Py*thon"ic (?), a. [L. pythonicus, Gr. &?;. See Pythian.] Prophetic; oracular; pretending to foretell events.
Pyth"o*nism (?), n. The art of predicting events after the manner of the priestess of Apollo at Delphi; equivocal prophesying.
Pyth"o*nist (?), n. A conjurer; a diviner.
||Pyth`o*no*mor"pha (?), n. pl. [NL. See Python, and -morphous.] ||(Paleon.) Same as Mosasauria.
||Py*u"ri*a (?), n. [NL., fr. Gr. &?; pus + &?; urine.] (Med.) A morbid ||condition in which pus is discharged in the urine.
Pyx (?), n. [L. pyxis a box, Gr. pyxi`s a box, especially of boxwood, fr. py`xos the box tree or boxwood. See Box a receptacle.] [Written also pix.] 1. (R. C. Ch.) The box, case, vase, or tabernacle, in which the host is reserved.
2. A box used in the British mint as a place of deposit for certain sample coins taken for a trial of the weight and fineness of metal before it is sent from the mint. Mushet.
3. (Naut.) The box in which the compass is suspended; the binnacle. Weale.
4. (Anat.) Same as Pyxis.
Pyx cloth (R. C. Ch.), a veil of silk or lace covering the pyx. -- Trial of the pyx, the annual testing, in the English mint, of the standard of gold and silver coins. Encyc. Brit.
Pyx, v. t. To test as to weight and fineness, as the coins deposited in the pyx. [Eng.] Mushet.
Pyx"i*date (?), a. Having a pyxidium.
||Pyx*id"i*um (?), n.; pl. Pyxidia (#). [NL., fr. Gr. &?;, dim. a &?; a ||box. See Pyx.] (Bot.) (a) A pod which divides circularly into an ||upper and lower half, of which the former acts as a kind of lid, as ||in the pimpernel and purslane. (b) The theca of mosses.
Pyx"ie (pks"), n. (Bot.) Same as Pixy.
||Pyx*is (?), n. [L.] 1. A box; a pyx.
2. (Bot.) A pyxidium.
3. (Anat.) The acetabulum. See Acetabulum, 2.
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Q.
Q (k), the seventeenth letter of the English alphabet, has but one sound (that of k), and is always followed by u, the two letters together being sounded like kw, except in some words in which the u is silent. See Guide to Pronunciation, ß 249. Q is not found in Anglo-Saxon, cw being used instead of qu; as in cwic, quick; cwen, queen. The name (k) is from the French ku, which is from the Latin name of the same letter; its form is from the Latin, which derived it, through a Greek alphabet, from the Phúnician, the ultimate origin being Egyptian.
Etymologically, q or qu is most nearly related to a (ch, tch), p, q, and wh; as in cud, quid, L. equus, ecus, horse, Gr. &?;, whence E. equine, hippic; L. quod which, E. what; L. aquila, E. eaqle; E. kitchen, OE. kichene, AS. cycene, L. coquina.
Qua (?), conj. [L., abl. of qui who.] In so far as; in the capacity or character of; as.
It is with Shelley's biographers qua biographers that we have to deal.
London Spectator.
Quab (?), n. [Cf. D. kwab eelpout, Dan. quabbe, G. quabbe, quappe, LG. quabbe a fat lump of flesh, and L. capito a kind of fish with a large head, fr. caput the head, also E. squab.] An unfledged bird; hence, something immature or unfinished. Ford.
Quab, v. i. See Quob, v. i.
Qua"-bird` (?), n. (Zoˆl.) The American night heron. See under Night.
Qua"cha (?), n. (Zoˆl.) The quagga.
Quack (?), v. i. [imp. & p. p. Qvacked (?); p. pr. & vb. n. Quacking.] [Of imitative origin; cf. D. kwaken, G. quacken, quaken, Icel. kvaka to twitter.]
1. To utter a sound like the cry of a duck.
2. To make vain and loud pretensions; to boast. " To quack of universal cures." Hudibras.
3. To act the part of a quack, or pretender.
Quack, n. 1. The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise. Chaucer.
2. [Cf. Quacksalver.] A boastful pretender to medical skill; an empiric; an ignorant practitioner.
3. Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan.
Quacks political; quacks scientific, academical.
Carlyle.
Quack, a. Pertaining to or characterized by, boasting and pretension; used by quacks; pretending to cure diseases; as, a quack medicine; a quack doctor.
Quack"er*y (?), n.; pl. Quackeries (&?;). The acts, arts, or boastful pretensions of a quack; false pretensions to any art; empiricism. Carlyle.
Quack" grass` (?). (Bot.) See Quitch grass.
Quack"ish, a. Like a quack; boasting; characterized by quackery. Burke.
Quack"ism (?), n. Quackery. Carlyle.
Quac"kle (?), v. i. & t. [imp. & p. p. Quackled (?); p. pr. & vb. n. Quackling (?).] [Cf.Querken.] To suffocate; to choke. [Prov. Eng.]
Quack"sal*ver (?), n. [D. kwakzalver; cf. kwakzalven to quack or boast of one's salves. See Quack, Salve, n.] One who boasts of his skill in medicines and salves, or of the efficacy of his prescriptions; a charlatan; a quack; a mountebank. [Obs.] Burton.
{ Quad (?), Quade (?) }, a. [Akin to AS. cwd, cwead, dung, evil, G. kot, dung, OHG. qut.] Evil; bad; baffling; as, a quade wind. [Obs.]
Sooth play, quad play, as the Fleming saith.
Chaucer.
Quad, n. (Print.) A quadrat.
Quad, n. (Arch.) A quadrangle; hence, a prison. [Cant or Slang]
||Quad"ra (?), n.; pl. QuadrÊ (#). [L., a square, the socle, a ||platband, a fillet.] (Arch.) (a) The plinth, or lowest member, of any ||pedestal, podium, water table, or the like. (b) A fillet, or listel.
Quad"ra*ble (?), a.[See Quadrate.] (Math.) That may be sqyared, or reduced to an equivalent square; -- said of a surface when the area limited by a curve can be exactly found, and expressed in a finite number of algebraic terms.
Quad`ra*ge*na"ri*ous (?), a. [L. quadragenarius, fr. qyadrageni forty each.] Consisting of forty; forty years old.
Quad"ra*gene (?), n. [LL. quadragena, fr. L. quadrageni forty each, akin to quadraginta forty.] (R. C. Ch.) An indulgence of forty days, corresponding to the forty days of ancient canonical penance.
||Quad`ra*ges"i*ma (?), n. [L., fr. quadragesimus the fortieth, fr. ||quadraginta forty; akin to quattuor four. See Four.] (Eccl.) The ||forty days of fast preceding Easter; Lent.
Quadragesima Sunday, the first Sunday in Lent, about forty days before Easter.
Quad`ra*ges"i*mal (?), a. [Cf. F. quadragÈsimal.] Belonging to Lent; used in Lent; Lenten.
Quad`ra*ges"i*mals (?), n. pl. Offerings formerly made to the mother church of a diocese on Mid- Lent Sunday.
Quad"ran`gle (?), n. [F., fr. L. quadrangulum; quattuor four + angulus an angle. See Four, and Angle a corner.]
1. (Geom.) A plane figure having four angles, and consequently four sides; any figure having four angles.
2. A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.
Quad*ran"gu*lar (?), a. [Cf. F. quadrangulaire.] Having four angles, and consequently four sides; tetragonal. -- Quad*ran"gu*lar*ly, adv.
||Quad"rans (?), n.; pl. Quadrantes (#). [L.] 1. (Rom. Antiq.) A fourth ||part of the coin called an as. See 3d As, 2.
2. The fourth of a penny; a farthing. See Cur.
Quad"rant (?), n. [L. quadrans, -antis, a fourth part, a fourth of a whole, fr. quattuor four: cf. F. quadrant, cadran. See Four, and cf. Cadrans.] 1. The fourth part; the quarter. [Obs.] Sir T. Browne.
2. (Geom.) The quarter of a circle, or of the circumference of a circle, an arc of 90∞, or one subtending a right angle at the center.
3. (Anal. (Geom.) One of the four parts into which a plane is divided by the coˆrdinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant.
4. An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90∞, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction.
Gunner's quadrant, an instrument consisting of a graduated limb, with a plumb line or spirit level, and an arm by which it is applied to a cannon or mortar in adjusting it to the elevation required for attaining the desired range. -- Gunter's quadrant. See Gunter's quadrant, in the Vocabulary. -- Hadley's quadrant, a hand instrument used chiefly at sea to measure the altitude of the sun or other celestial body in ascertaining the vessel's position. It consists of a frame in the form of an octant having a graduated scale upon its arc, and an index arm, or alidade pivoted at its apex. Mirrors, called the index glass and the horizon glass, are fixed one upon the index arm and the other upon one side of the frame, respectively. When the instrument is held upright, the index arm may be swung so that the index glass will reflect an image of the sun upon the horizon glass, and when the reflected image of the sun coincides, to the observer's eye, with the horizon as seen directly through an opening at the side of the horizon glass, the index shows the sun's altitude upon the scale; -- more properly, but less commonly, called an octant. -- Quadrant of altitude, an appendage of the artificial globe, consisting of a slip of brass of the length of a quadrant of one of the great circles of the globe, and graduated. It may be fitted to the meridian, and being movable round to all points of the horizon, serves as a scale in measuring altitudes, azimuths, etc.
Quad*ran"tal (?), a. [L. quadrantalis containing the fourth fourth part of a measure.] (Geom.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space.
Quadrantal triangle, a spherical triangle having one side equal to a quadrant or arc of 90∞. -- Quadrantal versor, a versor that expresses rotation through one right angle.
Quad*ran"tal, n. [L.] 1. (Rom. Antiq.) A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure.
2. A cube. [R.]
Quad"rat (?), n. [F. quadrat, cadrat. See Quadrate.] 1. (Print.) A block of type metal lower than the letters, -- used in spacing and in blank lines. [Abbrev. quad.]
2. An old instrument used for taking altitudes; -- called also geometrical square, and line of shadows.
Quad"rate (?), a. [L. quadratus squared, p. p. of quadrare to make four-cornered, to make square, to square, to fit, suit, from quadrus square, quattuor four. See Quadrant, and cf. Quadrat, Quarry an arrow, Square.] 1. Having four equal sides, the opposite sides parallel, and four right angles; square.
Figures, some round, some triangle, some quadrate.
Foxe.
2. Produced by multiplying a number by itself; square. " Quadrate and cubical numbers." Sir T. Browne.
3. Square; even; balanced; equal; exact. [Archaic] " A quadrate, solid, wise man." Howell.
4. Squared; suited; correspondent. [Archaic] " A generical description quadrate to both." Harvey.
Quadrate bone (Anat.), a bone between the base of the lower jaw and the skull in most vertebrates below the mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the malleus or incus.
Quad"rate (?), n. [L. quadratum. See Quadrate, a.] 1. (Geom.) A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.
At which command, the powers militant That stood for heaven, in mighty quadrate joined.
Milton.
2. (Astrol.) An aspect of the heavenly bodies in which they are distant from each other 90∞, or the quarter of a circle; quartile. See the Note under Aspect, 6.
3. (Anat.) The quadrate bone.
Quad"rate (?), v. i. [imp. & p. p. Quadrated (?); p. pr. & vb. n. Quadrating.] [See Quadrate, a.] To square; to agree; to suit; to correspond; -- followed by with. [Archaic]
The objections of these speculatists of its forms do not quadrate with their theories.
Burke.
Quad"rate, v. t. To adjust (a gun) on its carriage; also, to train (a gun) for horizontal firing.
Quad*rat"ic (?), a. [Cf. F. quadratique.]
1. Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.
2. (Crystallog.) Tetragonal.
3. (Alg.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.
Quad*rat"ics (?), n. (Alg.) That branch of algebra which treats of quadratic equations.
Quad*ra`to*ju"gal (?), a. (Anat.) (a) Of or pertaining to the quadrate and jugal bones. (b) Of or pertaining to the quadratojugal bone. -- n. The quadratojugal bone.
Quadratojugal bone (Anat.), a bone at the base of the lower jaw in many animals.
Quad*ra"trix (?), n.; pl. -trixes (#), or -trices (#). [NL.] (Geom.) A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen.
Quad"ra*ture (?), n. [L. quadratura: cf. F. quadrature. See Quadrate, a.] 1. (Math.) The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas.
2. A quadrate; a square. Milton.
3. (Integral Calculus) The integral used in obtaining the area bounded by a curve; hence, the definite integral of the product of any function of one variable into the differential of that variable.
4. (Astron.) The position of one heavenly body in respect to another when distant from it 90∞, or a quarter of a circle, as the moon when at an equal distance from the points of conjunction and opposition.
Quadrature of the moon (Astron.), the position of the moon when one half of the disk is illuminated. -- Quadrature of an orbit (Astron.), a point in an orbit which is at either extremity of the latus rectum drawn through the empty focus of the orbit.
Quad"rel (?), n. [It. quadrello, LL. quadrellus, fr. L. quadrus square. See Quadrate, and cf. Quarrel an arrow.] 1. A square piece of turf or peat. [Prov. Eng.]
2. A square brick, tile, or the like.
Quad*ren"ni*al (?), a. [L. quadriennium a space of four years; quattuor four + annus year; cf. L. quadriennis. See Quadrate, and Annual.] 1. Comprising four years; as, a quadrennial period.
2. Occurring once in four years, or at the end of every four years; as, quadrennial games.
Quad*ren"ni*al*ly, adv. Once in four years.
||Quad*ren"ni*um (?), n. [NL. See Quadrennial.] A space or period of ||four years.
Quad"ri- (?). [L., from quattuor four. See Four.] A combining form meaning four, four times, fourfold; as, quadricapsular, having four capsules.
Quad`ri*ba"sic (?), a. [Quadri- + basic.] (Chem.) Same as Tetrabasic.
Quad"ri*ble (?), a. Quadrable. [R.]
Quad"ric (?), a. (Math.) Of or pertaining to the second degree.
Quad"ric, n. (a) (Alg.) A quantic of the second degree. See Quantic. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics.
Quad`ri*cap"su*lar (?), a. [Quadri- + capsular.] (Bot.) Having four capsules.
||Quad"ri*ceps (?), n. [NL., fr. L. qyattuor four + caput head.] ||(Anat.) The great extensor muscle of the knee, divided above into ||four parts which unite in a single tendon at the knee.
Quad`ri*cip"i*tal (?), n. (Anat.) Of or pertaining to the quadriceps.
Quad"ri*corn (?), n. [See Quadricornous.] (Zoˆl.) Any quadricornous animal.
Quad`ri*cor"nous (?), a. [Quadri- + L. cornu horn: cf. F. quadricorne.] (Zoˆl.) Having four horns, or hornlike organs; as, a quadricornous beetle.
Quad`ri*cos"tate (?), a. [Quadri- + costate.] Having four ribs.
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Quad`ri*den"tate (?), a. [Quadri- + dentate.] Having four teeth; as, a quadridentate leaf.
Quad`ri*en"ni*al (?), a. Same as Quadrennial.
Quad`ri*fa"ri*ous (?), a. [L. quadrifarius fourfold, fr. quattuor four: cf. F. quadrifariÈ. Cf. Multifarious.] Arranged in four rows or ranks; as, quadrifarious leaves. Loudon.
Quad"ri*fid (?), a. [L. quadrifidus; quattuor four + findere to cleave: cf. F. quadrifide.] Divided, or deeply cleft, into four parts; as, a quadrifid perianth; a quadrifid leaf.
{ Quad"ri*foil (?), Quad`ri*fo"li*ate (?), } a. [Quadri- + L. folium leaf.] (Bot.) Four-leaved; having the leaves in whorls of four.
Quad`ri*fur"ca*ted (?), a. [Quadri- + furcated.] Having four forks, or branches.
||Quad*ri"ga (?), n.; pl. QuadrigÊ (#). [L. See Quadrijugous.] (Rom. ||Antiq.) A car or chariot drawn by four horses abreast.
{ Quad`ri*gem"i*nal (?), Quad`ri*gem"i*nous (?), } a. [Quadri- + L. gemini twins.] Fourfold; having four similar parts, or two pairs of similar parts.
Quadrigeminal bodies (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.
Quad`ri*ge*na"ri*ous (?), a. [L. quadrigeni, quadringeni, four hundred each.] Consisting of four hundred.
Quad*rij"u*gate (?), a. Same as Quadrijugous.