ostrĕārĭus, a, um, adj. [ostrea],
I of or belonging to oysters , oyster- (post-Aug.): panis, oyster-bread , bread eaten with oysters , Plin. 18, 11, 27, § 105.—
II Subst.: ostrĕā-rĭum , ii, n., an oyster-bed , Plin. 9, 51, 74, § 160: in Baiano locare, Macr. S. 2, 11.