ostreorumDictionary entriesostreum, ostrei:Neuter · Noun · 2nd declensionFrequency:Lesser= oyster;Entry →gen. pl.ExamplesLiber VIIMarcus Valerius Martialis (Martial) "...duos armos, nec erubescit peierare de turdo et ostreorum rapere liuidos cirros. Buccis placentae sordidam linit mappam; illic..."