tridacna gigas

English Thesaurus

1. a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds (noun.animal)

hypernym	:	clam,
definition	:	burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness (noun.animal)

member meronym	:	genus tridacna, tridacna,
definition	:	type genus of the family Tridacnidae: giant clams (noun.animal)