clāvĭcŭla
ae, f.
I.
A small key, Caes. Germ. Arat. 195.—
II.
A tendril, by which the vine clings to its props, Cic. Sen. 15, 52; id. N. D. 2, 47, 120; Col. 4, 6, 2; Plin. 23, prooem. § 5.—
III.
A bar, bolt of the door, Hyg. Grom. 55.—Hence, clāvĭcŭlārĭus, ĭi, m., a key-keeper, jailer, Firm. Math. 3, 66.