4. That which tries or approves; a test. Shak.

Tri"er*arch (?), n. [L. trierarchus, Gr. &?;; &?; a trireme + &?; a

leader, a chief.] (Gr. Antiq.) (a) The commander of a trireme. (b) At

Athens, one who (singly, or jointly with other citizens) had to fit out

a trireme for the public service.

Tri"er*arch`y (?), n.; pl. Trierarchises (#). [ Gr. &?;.] The office

duty of a trierarch.

Tri`e*ter"ic*al (?), a. [L. trietericus, Gr. &?;, fr. &?; (sc. &?;) a

triennial festival; &?; (see Tri-.) + &?; a year.] Kept or occurring

once in three years; triennial. [R.] J. Gregory.

Tri`e*ter"ics (?), n. pl. [L. trieterica, pl., fr. Gr. &?; of a

triennial festival.] (Class. Antiq.) Festival games celebrated once in

three years. [R.] May.

Tri*eth`yl*am"ine (?), n. [Pref. tri- + ethylamine.] (Chem.) A tertiary

amine analogous to trimethylamine.

Tri*fa"cial (?), a. [Pref. tri- + facial.] (Anat.) See Trigeminal.

Tri"fal`low (?), v. t. [imp. & p. p. Trifallowed (?); p. pr. & vb. n.

Trifallowing.] [Pref. tri- + fallow. Cf. Thryfallow.] To plow the third

time before sowing, as land. Mortimer.

Tri*fa"ri*ous (?), a. [L. trifarius of three sorts or ways, threefold;

cf. Gr. &?;. Cf. Bifarious.] (Bot.) Facing three ways; arranged in

three vertical ranks, as the leaves of veratrum.

Tri*fas"ci*a`ted (?), a. [Pref. tri- + fasciated.] Having, or

surrounded by, three fasciæ, or bands.

Tri"fid, a. [L. trifidus; tri- (see Tri-) + the root of findere to

split: cf. F. trifide.] Cleft to the middle, or slightly beyond the

middle, into three parts; three-cleft.

Tri*fis"tu*la*ry (?), a. [Pref. tri- + fistula, fistular.] Having three

pipes. Sir T. Browne.

Tri"fle (?), n. [OE. trifle, trufle, OF. trufle mockery, raillery,

trifle, probably the same word as F. truffe truffle, the word being

applied to any small or worthless object. See Truffle.] 1. A thing of

very little value or importance; a paltry, or trivial, affair.

With such poor trifles playing.

Drayton.

Trifles light as air Are to the jealous confirmation strong As proofs

of holy writ.

Shak.

Small sands the mountain, moments make year, And frifles life.

Young.

2. A dish composed of sweetmeats, fruits, cake, wine, etc., with

syllabub poured over it.

Tri"fle, v. i. [imp. & p. p. Trifled (?); p. pr. & vb. n. Trifling

(?).] [OE. trifelen, truflen. See Trifle, n.] To act or talk without

seriousness, gravity, weight, or dignity; to act or talk with levity;

to indulge in light or trivial amusements.

They trifle, and they beat the air about nothing which toucheth us.

Hooker.

To trifle with, to play the fool with; to treat without respect or

seriousness; to mock; as, to trifle with one's feelings, or with sacred

things.

Tri"fle, v. t. 1. To make of no importance; to treat as a trifle.

[Obs.] Shak.

2. To spend in vanity; to fritter away; to waste; as, to trifle away

money. "We trifle time." Shak.

Tri"fler (?), n. One who trifles. Waterland.

Tri"fling (?), a. Being of small value or importance; trivial; paltry;

as, a trifling debt; a trifling affair. — Tri"fling*ly, adv. —

Tri"fling*ness, n.

{ Tri*flo"ral (?), Tri*flo"rous (?), } a. [Pref. tri- + L. flos,

floris, flower.] (Bot.) Three-flowered; having or bearing three

flowers; as, a triflorous peduncle.

Tri*fluc`tu*a"tion (?), n. [Pref. tri- + fluctuation.] A concurrence of

three waves. [Obs.] "A trifluctuation of evils." Sir T. Browne.

{ Tri*fo"li*ate (?), Tri*fo"li*a`ted (?), } a. [Tri- + foliate. Cf.

Trefoil.] (Bot.) Having three leaves or leaflets, as clover. See

Illust. of Shamrock.

Tri*fo"li*o*late (?), a. [Pref. tri- + foliolate.] (Bot.) Having three

leaflets.

||Tri*fo"li*um (?), n. [L., clover.] (Bot.) A genus of leguminous herbs

||with densely spiked flowers and usually trifoliate leaves; trefoil.

||There are many species, all of which are called clover. See Clover.

||

Tri"fo*ly (?), n. [L. trifolium. See Trifoliate, Trefoil.] (Bot.) Sweet

trefoil. [Obs.]

She was crowned with a chaplet of trifoly.

B. Jonson.

||Tri*fo"ri*um (?), n. [LL., fr. L. tri- (see Tri-) + foris, pl. fores,

||a door.] (Arch.) The gallery or open space between the vaulting and

||the roof of the aisles of a church, often forming a rich arcade in

||the interior of the church, above the nave arches and below the

||clearstory windows.

||

Tri"form (?), a. [L. triformis; tri- (see Tri-) + forma form.] Having a

triple form or character. "This triform antagonism." I. Taylor.

Goddess Triform, I own thy triple spell.

Lowell.

Tri*form"i*ty (?), n. [L. triformitas.] The state of being triform, or

of having a threefold shape.

{ Tri*fur"cate (?), Tri*fur"ca*ted (?), } a. [L. trifurcus; tri- (see

Tri-) + furca fork.] Having three branches or forks; trichotomous.

Trig (?), v. t. [Cf. Dan. trykke to press, Sw. trycka.] To fill; to

stuff; to cram. [Obs.] Dr. H. More.

Trig, a. [Formerly written trick, akin to trick to dress.] Full; also,

trim; neat. [Prov. Eng. & Scot.]

To sit on a horse square and trig.

Brit. Quart. Rev.

Trig, v. t. [See Trigger.] To stop, as a wheel, by placing something

under it; to scotch; to skid.

Trig, n. [See Trigger.] A stone, block of wood, or anything else,

placed under a wheel or barrel to prevent motion; a scotch; a skid.

[Eng.] Wright.

Trig"a*mist (?), n. [See Trigamy.] One who has been married three

times; also, one who has three husbands or three wives at the same

time.

Trig"a*mous (?), a. [L. trigamus a thrice-married man, Gr. &?; thrice

married; &?; (see Tri-) + &?; marriage: cf. F. trigame.] (Bot.) Having

three sorts of flowers in the same head, — male, female, and

hermaphrodite, or perfect, flowers.

Trig"a*my (?), n. [L. trigamia,Gr. &?;: cf. F. trigamie. See

Trigamous.] The act of marrying, or the state of being married, three

times; also, the offense of having three husbands or three wives at the

same time.

Tri*gas"tric (?), a. [Pref. tri- + Gr. &?; belly.] (Anat.) Having three

bellies; — said of a muscle. Dunglison.

Tri*gem"i*nal (?), a. [See Trigeminous.] (Anat.) Of, pertaining to, or

designating, the fifth pair of cranial nerves, which divide on each

side of the head into three main branches distributed to the orbits,

jaws, and parts of the mouth; trifacial.

Tri*gem"i*nous (?), a. [L. trigeminus born three together; tri- (see

Tri-) + geminus twin. Cf. Tergeminous.] Born three together; being one

of three born at the same birth; also, threefold. E. Phillip&?;.

Tri*gen"ic (?), a. [Pref. tri- + gen- + -ic. So named in reference to

its composition, it being supposed to contain the radicals of three

molecules of cyanic acid.] (Chem.) Of, pertaining to, or designating,

an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid

on cold aldehyde, as a white crystalline substance having a slightly

acid taste and faint smell; — called also ethidene- or

ethylidene-biuret.

Tri*ges"i*mo-se*cun"do (?), a. [L. in trigesimo-secundo in the

thirty-second.] Having thirty-two leaves to a sheet; as, a

trigesimo-secundo form, book, leaf, size, etc.

Tri*ges"i*mo-se*cun"do, n. A book composed of sheets so folded that

each one makes thirty-two leaves; hence, indicating, more or less

definitely, a size of book; — usually written 32mo, or 32°, and called

thirty-twomo.

Trig"ger (?), n. [For older tricker, from D. trekker, fr. trekken to

draw, pull. See Trick, n.] 1. A catch to hold the wheel of a carriage

on a declivity.

2. (Mech.) A piece, as a lever, which is connected with a catch or

detent as a means of releasing it; especially (Firearms), the part of a

lock which is moved by the finger to release the cock and discharge the

piece.

Trigger fish (Zoöl.), a large plectognath fish (Balistes Carolinensis

or B. capriscus) common on the southern coast of the United States, and

valued as a food fish in some localities. Its rough skin is used for

scouring and polishing in the place of sandpaper. Called also leather

jacket, and turbot.

Tri*gin`tal (?), n. [LL. trigintate, fr. L. triginta thirty. See

Trental.] (R. C. Ch.) A trental.

Tri*glyc"er*ide (?), n. [Pref. tri- + glyceride.] (Chem.) A glyceride

formed by the replacement of three hydrogen atoms in glycerin by acid

radicals.

Tri"glyph (?), n. [L. triglyphus, Gr. &?;; &?; (see Tri-) + &?; to

carve: cf. F. triglyphe.] (Arch.) An ornament in the frieze of the

Doric order, repeated at equal intervals. Each triglyph consists of a

rectangular tablet, slightly projecting, and divided nearly to the top

by two parallel and perpendicular gutters, or channels, called glyphs,

into three parts, or spaces, called femora. A half channel, or glyph,

is also cut upon each of the perpendicular edges of the tablet. See

Illust. of Entablature.

{ Tri*glyph"ic (?), Tri*glyph"ic*al (?), } a. 1. Consisting of, or

pertaining to, triglyphs.

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