(Ter"e*brant) a. [L. terebrans, -antis, p. pr.] (Zoöl.) Boring, or adapted for boring; said of
certain Hymenoptera, as the sawflies.
(||Ter`e*bran"ti*a) n. pl. [NL.] (Zoöl.) A division of Hymenoptera including those which have
an ovipositor adapted for perforating plants. It includes the sawflies.
(Ter"e*brate) v. t. [L. terebratus, p. p. of terebrare, from terebra a borer, terere to rub.]
To perforate; to bore; to pierce. [R.] Sir T. Browne.
1. (Zoöl.) Boring; perforating; applied to molluskas which form holes in rocks, wood, etc.
2. (Med.) Boring; piercing; applied to certain kinds of pain, especially to those of locomotor ataxia.
(Ter`e*bra"tion) n. [L. terebratio.] The act of terebrating, or boring. [R.] Bacon.
(||Ter`e*brat"u*la) n.; pl. Terebratulæ [Nl., dim. fr. terebratus, p. p., perforated.] (Zoöl.)
A genus of brachiopods which includes many living and some fossil species. The larger valve has a
perforated beak, through which projects a short peduncle for attachment. Called also lamp shell.
(Ter`e*brat"u*lid) n. (Zoöl.) Any species of Terebratula or allied genera. Used also adjectively.
(Ter`e*bra*tu"li*form) a. (Zoöl.) Having the general form of a terebratula shell.
(Ter"e*dine) n. [F. térédine.] (Zoöl.) A borer; the teredo.
(Te*re"do) n.; pl. E. Teredos L. Teredines [L., a worm that gnaws wood, clothes, etc.; akin
to Gr. L. terere to rub.] (Zoöl.) A genus of long, slender, wormlike bivalve mollusks which bore into
submerged wood, such as the piles of wharves, bottoms of ships, etc.; called also shipworm. See
Shipworm. See Illust. in App.
(Ter*eph"tha*late) n. (Chem.) A salt of terephthalic acid.
(Ter`eph*thal"ic) a. [Terebene + phthalic.] (Chem.) Of, pertaining to, or designating, a
dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white
crystalline powder, by the oxidation of oil of turpentine; called also paraphthalic acid. Cf. Phthalic.
(Ter"et) a. Round; terete. [Obs.] Fotherby.
(Te*rete") a. [L. teres, - etis, rounded off, properly, rubbed off, fr. terere to rub.] Cylindrical
and slightly tapering; columnar, as some stems of plants.
(Te*re"tial) a. [See Terete.] (Anat.) Rounded; as, the teretial tracts in the floor of the fourth
ventricle of the brain of some fishes. Owen.
(Ter"e*tous) a. Terete. [Obs.]
(Ter"gal) a. [L. tergum the back.] (Anat. & Zoöl.) Of or pertaining to back, or tergum. See Dorsal.
(Ter"gant) a. (Her.) Showing the back; as, the eagle tergant. [Written also tergiant.]
(Ter*gem"i*nal Ter*gem"i*nate) a. [See Tergeminous.] (Bot.) Thrice twin; having three
pairs of leaflets.
(Ter*gem"i*nous) a. [L. tergeminus; ter thrice + geminus doubled at birth, twin-born. Cf.
Trigeminous.] Threefold; thrice-paired. Blount.