ŏnўchĭnus — Lewis & Short
ŏnўchĭnus, a, um, adj., = o)nu/xinos.
pira,Plin. 15, 15, 16, § 55:
pruna,Col. 12, 10.—
lapis,Vulg. Gen. 2, 12.—As subst.:
onychinus,the onyx, Vulg. Exod. 39, 13.—Transf., resembling the onyx (poet.) of the coating of ice on rivers: tegimen onychinum, Laev ap. Gell. 19, 7 fin.—Subst.: ŏnўchĭna (sc. vasa), n. plur., vessels of onyx, Lampr. Heliog. 32.