ŏnyx — Lewis & Short
ŏnyx, ўchis, m. and f., = o)/nuc (a fingernail; hence, from its color).
I Fem., a kind of yellowish marble, onyx, of which vessels of many kinds were made;
it was also used for mlaying floors,Plin. 36, 7, 12, § 59:
totāque effusus in aulā Calcabatur onyx,Luc. 10, 116;
calcatusque tuo sub pede lucet onyx,Mart. 12, 50, 4.—
B Masc., a vessel of onyx, an onyx-box:
nardi parvus onyx,Hor. C. 4, 12, 17;
murrheus,an ointment-box, Prop. 3, 8 (4, 9), 22; cf.:
Syrio munere plenus onyx,id. 2, 10 (3, 5), 14.— In this signif. also as fem.:
unguentum fuerat, quod onyx modo parva gerebat,Mart. 7, 94, 1.—
II A yellowish precious stone, an onyx, Plin. 37, 6, 24, § 90—
III The female of a mussel of the scallop species, Plin. 32, 9, 32, § 103.