nounostrăcĭumOSTRACIVM☆ KeepMeaninga musselLewis & Short 1879ModernAs printed, 1879OSTRACIUMLEWIS & SHORTOSTRACIUMostrăcĭum or ostrăcĕum, ii, n., = ὀστράκιον, I. a mussel, also called onyx, Plin. 32, 10, 46, § 134.Read the whole entry