ostreatus

From ostrea (“oyster”) +‎ -ātus; i.e. "like the shell of an oyster".

• (Classical Latin) IPA^(key): [ɔs.treˈaː.tʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [os.t̪reˈaː.t̪us]

ostreātus (feminine ostreāta, neuter ostreātum); first/second-declension adjective

1. (rare) rough, scabby
   • c. 194 BCE, Plautus, Poenulus 398:

     itaque iam quasi ostreatum tergum ulceribus gestito / propter amorem vestrum.

     • 1912 translation by Henry Thomas Riley. (The Comedies of Plautus. London. G. Bell and Sons. Perseus.)

       MILPHIO: as it is, I've already got my back about as hard with weals as an oyster-shell, by reason of your amours.

First/second-declension adjective.

• ostrea
• ostreārium
• ostreārius
• ostreōsus

• “ostreatus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• ostreatus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.