O / oscillum
noun

oscillum

gen. oscilli · gender neuter · decl. 2nd
dim. 1. os; lit. little mouth; hence
A little cavity in the middle of leguminous fruits; where the germ sprouts forth
A little cavity in the middle of leguminous fruits, where the germ sprouts forth: oscilla lupinorum, Col. 2, 10, 3.—*
A little image of the face; a little mask of Bacchus
A little image of the face, a little mask of Bacchus, hung from trees, so as to be easily moved by the wind: tibique (Bacche) Oscilla ex altā suspendunt mollia pinu, Verg. G. 2, 389; cf. Serv. ad loc.; Macr. S. 1, 7; 11.