nountrĭdacnaTRIDACNA☆ KeepMeaninga kind of oystersLewis & Short 1879ModernAs printed, 1879TRIDACNALEWIS & SHORTTRIDACNAtrĭdacna, ōrum, n., = τρίδακνα, I. a kind of oysters, Plin. 32, 6, 21, § 63.Read the whole entry