U / ū^trĭcŭlus
noun

ū^trĭcŭlus

gen. ū^trĭcŭli · gender masculine · decl. 2nd
dim. uterus.
the belly; abdomen
Lit., in gen., the belly, abdomen, of bees, Plin. 11, 12, 12, § 31.—
a little womb; matrix
Esp., a little womb or matrix, Plin. 11, 37, 84, § 209; 30, 14, 43, § 124.—
a bud; calycle; a hull by extension
Transf., of plants, a bud or calycle of a flower, a hull or husk of grain, Plin. 16, 25, 39, § 94; 18, 11, 29, § 115.