O / ostrĕātus
adjective

ostrĕātus

fem. ostrĕāta · neut. ostrĕātum
id.; qs. covered with oyster-shells; hence, transf.
rough; scabby
rough, scabby: quasi ostreatum tergum ulceribus (i. e. verberibus), Plaut. Poen. 1, 2, 186.