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QUADRILATERAL, kwod-ri-lat'[.e]r-al, _adj._ having four sides.--_n._ (_geom._) a plane figure having four sides: the four fortresses--Mantua, Verona, Peschiera, and Legnago--which form the points of a quadrilateral.--_n._ QUADRILAT'ERALNESS. [L. _quadrilaterus_--_quatuor_, four, _latus_, _lateris_, a side.]

QUADRILITERAL, kwod-ri-lit'[.e]r-al, _adj._ of four letters.--_n._ a word or a root having four letters. [L. _quatuor_, four, _litera_, a letter.]

QUADRILLE, kwa-dril', _n._ a square dance for four couples, consisting of five movements: music for such square dances: a game played by four with forty cards.--_v.i._ to play at quadrille: to dance quadrilles. [Fr.,--Sp.

QUADRILLION, kwod-ril'yun, _n._ a million raised to the fourth power, represented by a unit with twenty-four ciphers. [Coined from L. _quater_, four times, on the model of _million_.]

QUADRINOMIAL, kwod-ri-n[=o]'mi-al, _adj._ (_alg._) consisting of four divisions or terms.--_n._ an expression of four terms. [L. _quatuor_, four, Gr. _nom[=e]_, a division--_nemein_, to distribute.]

QUADRIPARTITE, kwod-ri-par't[=i]t, _adj._ divided into four parts: (_bot._) deeply cleft into four parts, as a leaf: (_archit._) divided, as a vault, into four compartments.--_n._ a treatise divided into four parts.--_adv._ QUADRIPAR'TITELY.--_n._ QUADRIPARTI'TION. [L.,--_quatuor_, four, _part[=i]re_, _-[=i]tum_, to divide.]

QUADRIREME, kwod'ri-r[=e]m, _n._ a galley with four benches of oars. [L.

QUADRISECTION, kwod-ri-sek'shun, _n._ a division into four equal parts. [L.

_quatuor_, four, _sec[=a]re_, _sectum_, to cut.]

QUADRISYLLABLE, kwod-ri-sil'a-bl _n._ a word consisting of four syllables.--_adjs._ QUADRISYLLAB'IC, -AL. [L. _quatuor_, four, _syllaba_, a syllable.]

QUADRIVIUM, kwod-riv'i-um, _n._ the Pythagorean name for the four branches of mathematics--_arithmetic_, _music_, _geometry_, _astronomy_--when preceded by the trivium of _grammar_, _logic_, and _rhetoric_--together making up the seven liberal arts taught in the schools of the Roman Empire.--_adjs._ QUADRIV'IAL, QUADRIV'IOUS. [L., 'the place where four roads meet'--L. _quatuor_, four, _via_, a way.]

QUADROON, kwod-r[=oo]n', _n._ the offspring of a mulatto and a white person, one 'quarter-blooded.'--Also QUARTEROON'. [Sp.

_cuarteron_--_cuarto_, a fourth.]

QUADRUMANE, kwod'r[=oo]-m[=a]n, _n._ one of the QUADRU'MANA, an order of mammalia having four hands, or four feet, with an opposable thumb--also QUAD'RUMAN.--_adj._ QUADRU'MANOUS, having four hands. [L. _quatuor_, four, _manus_, a hand.]

[L. _quatuor_, four, _pes_, _pedis_, a foot.]

QUaeSITUM, kw[=e]-s[=i]'tum, _n._ something sought or required:--_pl._ QUaeS[=I]'TA. [L. neut. of _quaesitus_, pa.p. of _quaer[)e]re_, to seek.]

QUaeSTOR, kw[=e]s'tor, _n._ a magistrate with charge of the Roman public funds--originally who investigated cases of murder and executed sentence: in the Middle Ages an officer who announced indulgences: a treasurer--also QUES'TOR.--_ns._ QUaeS'TORSHIP, QUES'TORSHIP. [L.,--_quaerere_, _quaesitum_, to seek.]

QUAFF, kwaf, _v.t._ to drink in large draughts.--_v.i._ to drink largely.--_n._ QUAFF'ER. [_Quach_, _quaich_,--Gael. and Ir. _cuach_, a bowl.]

QUAG, kwag, _n._ a quagmire (q.v.).--_adj._ QUAGG'Y, spongy, boggy.

QUAGGA, kwag'a, _n._ one of the three species of striped wild horses, or more properly wild asses, peculiar to Africa, of which the zebra is the type. [Hottentot.]

QUAGMIRE, kwag'm[=i]r, _n._ wet, boggy ground that yields under the feet.--_v.t._ to entangle, as in a quagmire.--_adj._ QUAG'MIRY. [_Quake_ and _mire_.]

QUAHOG, kwa-hog', _n._ the common round clam of the North American Atlantic coast.--Also QUAHAUG'. [Amer. Ind. _poquauhock_.]

QUAID, kw[=a]d, _adj._ (_Spens._) quelled, crushed.

QUAIGH, kw[=a]h, _n._ (_Scot._) a kind of drinking-cup, usually made of wood. [Gael. _cuach_, a cup.]

QUAIL, kw[=a]l, _v.i._ to cower: to fail in spirit: (_Shak._) to slacken.--_v.t._ to subdue: to terrify.--_n._ QUAIL'ING (_Shak._), act of one who quails: a failing in courage. [A.S. _cwelan_, to die; Ger.

_qualen_, to suffer.]

QUAIL, kw[=a]l, _n._ a small gallinaceous bird, related to the partridge family: (_Shak._) a whore.--_ns._ QUAIL'-CALL, -PIPE, a call for alluring quails into a net. [O. Fr. _quaille_--Low L. _quaquila_--Old Dut.

_quakele_; cf. Low Ger. _quackel_, and _Quack_.]

QUAINT, kw[=a]nt, _adj._ unusual: odd: whimsical: (_obs._) prim, affectedly nice: fine: (_Shak._) clever.--_adv._ QUAINT'LY.--_n._ QUAINT'NESS. [O. Fr.

_coint_--L. _cognitus_, known. Some confusion with L. _comptus_, neat, is probable.]

QUAKE, kw[=a]k, _v.i._ to tremble, esp. with cold or fear: to tremble from want of firmness.--_v.t._ to cause to tremble:--_pr.p._ qu[=a]'king; _pa.t._ and _pa.p._ qu[=a]ked.--_n._ a shake: a shudder.--_ns._ QU[=A]'KINESS; QU[=A]'KING; QU[=A]'KING-GRASS, a native grass of the genus _Briza_, so called from the tremulous motion of its spikelets.--_adv._ QU[=A]'KINGLY.--_adj._ QU[=A]'KY, shaky. [A.S. _cwacian_; perh. allied to _quick_.]

QUAKER, kw[=a]'k[.e]r, _n._ one of the Society of Friends, a religious sect founded by George Fox (1624-90): a dummy cannon: a collector's name for certain noctuoid moths.--_n._ QU[=A]'KER-BIRD, the sooty albatross.--_n.pl._ QU[=A]'KER-BUTT'ONS, the round seeds of _nux vomica_.--_ns._ QU[=A]'KER-COL'OUR, drab; QU[=A]'KERDOM, the Quakers as a class; QU[=A]'KERESS, a female Quaker.--_adjs._ QU[=A]'KERISH, QU[=A]'KERLY, like a Quaker.--_n._ QU[=A]'KERISM, the tenets of the Quakers.--STEWED QUAKER, molasses or honey, with butter and vinegar, taken hot against colds. [The nickname Quakers was first given them by Judge Bennet at Derby, because Fox bade him and those present _quake_ at the word of the Lord.]

QUALIFY, kwol'i-f[=i], _v.t._ to render capable or suitable: to furnish with legal power: to limit by modifications: to soften: to abate: to reduce the strength of: to vary: (_Scots law_) to prove, confirm.--_v.i._ to take the necessary steps to fit one's self for a certain position.--_adj._ QUAL'IFIABLE.--_ns._ QUALIFIC[=A]'TION, that which qualifies: a quality that fits a person for a place, &c.: (_logic_) the attaching of quality, or the distinction of affirmative and negative, to a term: abatement: (_Shak._) pacification; QUAL'IFIC[=A]TIVE, that which qualifies, modifies, or restricts: a qualifying term or statement; QUAL'IFIC[=A]TOR (_R.C._), one who prepares ecclesiastical causes for trial.--_adj._ QUAL'IFIC[=A]TORY.--_p.adj._ QUAL'IFIED, fitted: competent: modified: limited.--_adv._ QUAL'IFIEDLY.--_ns._ QUAL'IFIEDNESS; QUAL'IFIER.--_adj._ QUAL'IFYING.--PROPERTY QUALIFICATION, the holding of a certain amount of property as a condition to the right of suffrage, &c. [Fr.,--Low L.

_qualific[=a]re_--L. _qualis_, of what sort, _fac[)e]re_, to make.]

QUALITY, kwol'i-ti, _n._ that which makes a thing what it is: property: peculiar power: acquisition: character: rank: superior birth or character: (_logic_) the character of a proposition as affirmative or negative: (_Shak._) character in respect to dryness or moisture, heat or cold: (_Shak._) cause, occasion.--_adj._ QUAL'IT[=A]TIVE, relating to quality: (_chem._) determining the nature of components.--_adv._ QUAL'IT[=A]TIVELY.--_adj._ QUAL'ITIED, furnished with qualities.--ACCIDENTAL QUALITY, a quality whose removal would not impair the identity of its subject, as opposed to an _Essential_ quality; THE QUALITY, persons of high rank, collectively. [Fr.,--L. _qualitas_, _qualitatis_.]

QUALM, kwam, _n._ a sudden attack of illness: a sensation of nausea: a scruple, as of conscience.--_adj._ QUALM'ISH, affected with qualm, or a disposition to vomit, or with slight sickness: uneasy.--_adv._ QUALM'ISHLY.--_n._ QUALM'ISHNESS. [A.S. _cwealm_, death; Ger. _qualm_, nausea; Sw. _qvalm_, a suffocating heat.]

QUAMASH, kwa-mash', _n._ camass.

QUANDANG, kwan'dang, _n._ a small Australian tree, with edible fruit, the native peach. [Austr.]

QUANDARY, kwon-d[=a]'ri, or kwon'da-ri, _n._ a state of difficulty or uncertainty: a hard plight. [Prob. M. E. _wandreth_, peril--Ice.

_vandraetdi_, trouble.]

QUANNET, kwan'et, _n._ a file for scraping zinc plates: a kind of file used in comb-making.

QUANT, kwant, _n._ a pushing or jumping pole, with a flat cap at the end, used in marshes.

QUANTIC, kwon'tik, _n._ (_math._) a rational integral homogeneous function of two or more variables.--_adj._ QUAN'TICAL. [L. _quantus_, how great.]

QUANTIFY, kwon'ti-f[=i], _v.t._ to determine with respect to quantity: to fix or express the quantity of.--_n._ QUANTIFIC[=A]'TION, the art, process, or form by which anything is quantified.--QUANTIFICATION OF THE PREDICATE, a phrase belonging to logic, signifying the attachment of the signs of quantity to the predicate. [L. _quantus_, how great, _fac[)e]re_, to make.]

QUANTITY, kwon'ti-ti, _n._ the amount of anything: bulk: size: a determinate amount: a sum or bulk: a large portion: (_logic_) the extent of a conception: (_gram._) the measure of a syllable: (_mus._) the relative duration of a tone: (_math._) anything which can be increased, divided, or measured: (_Shak._) a small part: (_Shak._) proportion.--_adj._ QUAN'TIT[=A]TIVE, relating to quantity: measurable in quantity: (_chem._) determining the relative proportions of components.--_advs._ QUAN'TIT[=A]TIVELY, QUAN'TITIVELY.--_ns._ QUAN'TIT[=A]TIVENESS; QUANTIV'ALENCE (_chem._), the combining power of an atom as compared with that of the hydrogen atom, valence.--_adj._ QUANTIV'ALENT.--QUANTITATIVE LOGIC, the doctrine of probability.--CONSTANT QUANTITY (_math._), a quantity that remains the same while others vary. [Fr.,--L. _quantitas_, _quantitatis_--_quantus_, how much--_quam_, how.]