T / tĕrē^bra
noun

tĕrē^bra

gen. tĕrē^brae · gender feminine · decl. 1st
neutr
neutr. collat. form tĕ-rē^brum, Hier. in Isa. 12, 44, 12 al.) [tero].
An instrument for boring; a borer; an auger
An instrument for boring, a borer, an auger, gimlet, Cato, R. R. 41, 3; Col. 4, 29, 15 sq.; Plin. 7, 56, 57, § 198; 17, 15, 25, § 116; 37, 13, 76, § 200.—
a trephine
As a surgical instrument, a trephine, Cels. 8, 3.—
A military engine for boring through walls in sieges
A military engine for boring through walls in sieges, Vitr. 10, 13, 7.