noun
: cockle II 1a ; especially : a widely distributed burrowing cockle ( Isocardia cor ) with the umbones well separated giving the shell a heart-shaped appearance
noun
: cockle II 1a ; especially : a widely distributed burrowing cockle ( Isocardia cor ) with the umbones well separated giving the shell a heart-shaped appearance
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012