ostreumDictionary entriesostrea, ostreae:Feminine · Noun · 1st declensionFrequency:Lesser= oyster, sea-snail;Entry →gen. pl.ostreum, ostrei:Neuter · Noun · 2nd declensionFrequency:Lesser= oyster;Entry →acc. sg.gen. pl.nom. sg.voc. sg.ExamplesLiber IXLucius Annaeus Seneca (Seneca the Younger) from EPISTULAE MORALES AD LUCILIUM"...mille amphorae transeant: saccus es. Quid sapiat ostreum, quid mullus optime nosti: nihil tibi luxuria tua in futuros..."