Thymus, thī′mus, n. a ductless gland near the root of the neck, of no known function, vestigial in adult man—that of veal and lamb called neck-sweetbread. [Gr. thymos, sweet thyme.]
Thyroid, thī′roid, adj. in the form of a shield: denoting a cartilage constituting the anterior, upper part of the larynx, popularly called Adam's apple: denoting a vascular or ductless gland which arises in the earlier human embryo as an ingrowth from the lower part of the pharynx (see Myxœdema). [Gr. thyreos, a shield, eidos, form.]
Thyrsus, thėr′sus, n. (bot.) an inflorescence consisting of a panicle with the lower branches shorter than the middle ones: the wand of Bacchus, a staff wreathed with ivy—also Thyrse.—adjs. Thyr′soid, -al, having the form of a thyrsus. [Gr. thyrsos.]
Thysanura, this-a-nū′ra, n. an order of wingless insects of small size, undergoing no metamorphosis, the abdomen usually bearing peculiar structures which seem to be abortive limbs, the spring-tails or bristle-tails.—adjs. Thysanū′rian; Thysanū′riform. [Gr. thysanos, a fringe, oura, a tail.]
Thyself, thī-self, pron. thou or thee, in person—used for emphasis.
Ti, tē, n. a small Pacific tree of the lily family whose fleshy roots are eaten, and yield sugar and spirit.
Tiara, tī-ā′ra, n. the lofty ornamental head-dress of the ancient Persians: a head-dress: the mitre of the Jewish high-priest: the pope's triple crown, the papal dignity—also (poet.) Tiar.—adj. Tiā′raed, wearing a tiara. [Fr. tiare—L. tiara—Gr. tiara.]
Tib, tib, n. (Shak.) a punk, whore.
Tibet, Thibet, ti-bet′, n. a woollen stuff generally printed in colours: a heavy fabric used for the same purposes as furs, made of goat's hair, black and finely curled—also Tibet cloth.—adj. Tib′etan, pertaining to Tibet, its language or people.—n. the language or people of Tibet.