columella
From LSJ
Latin > English (Lewis & Short)
cŏlŭmella: (in MSS. often cŏlum-nella), ae, f.
dim. columna, columen,
I a small column, a pillar, Cato, R. R. 20, 1; 22, 2; Cic. Leg. 2, 26, 66; id. Tusc. 5, 23, 65; Caes. B. C. 2, 10.—
B The foot or pedestal of a catapult, Vitr. 10, 15.—
II Trop., a pillar, support, prop (cf. columen), Lucil. ap. Don. Ter. Phorm. 2, 1, 57.