ostrĕa — Lewis & Short
ostrĕa, ae, f., and (rarely) ostrĕum, i, n., = o)/streon,
ostrearum vivaria,Plin. 9, 54, 79, § 168.—
ostrea Circeis, Miseno oriuntur echini,Hor. S. 2, 4, 33; Ov. F. 6, 174; Juv. 4, 142. —In sing. collect.:
ostrei testas siccas tundere,Pall. 1, 41, 3.