clāvĭcŭla, ae, f.dim. [id.] 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.