Triennial
(Tri*en"ni*al) a. [L. triennium the space of three years; tri- (see Tri-) + annus year. See
Annual.]
1. Continuing three years; as, triennial parliaments; a triennial reign. Howell.
2. Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial
catalogue; a triennial visitation. T. Warton.
Triennial
(Tri*en"ni*al), n. Something which takes place or appears once in three years.
Triennially
(Tri*en"ni*al*ly), adv. Once in three years.
Triens
(||Tri"ens) n. [L., from tres, tria, three.] (Rom. Antiq.) A Roman copper coin, equal to one third
of the as. See 3d As, 2.
Trier
(Tri"er) n. [From Try.]
1. One who tries; one who makes experiments; one who examines anything by a test or standard. Boyle.
2. One who tries judicially.
3. (Law) A person appointed according to law to try challenges of jurors; a trior. Burrill.
4. That which tries or approves; a test. Shak.
Trierarch
(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.
Trierarchy
(Tri"er*arch`y) n.; pl. Trierarchises [ Gr. .] The office duty of a trierarch.
Trieterical
(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.
Trieterics
(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.
Triethylamine
(Tri*eth`yl*am"ine) n. [Pref. tri- + ethylamine.] (Chem.) A tertiary amine analogous to
trimethylamine.
Trifacial
(Tri*fa"cial) a. [Pref. tri- + facial.] (Anat.) See Trigeminal.
Trifallow
(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.
Trifarious
(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.
Trifasciated
(Tri*fas"ci*a`ted) a. [Pref. tri- + fasciated.] Having, or surrounded by, three fasciæ, or bands.
Trifid
(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.
Trifistulary
(Tri*fis"tu*la*ry) a. [Pref. tri- + fistula, fistular.] Having three pipes. Sir T. Browne.
Trifle
(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.]
