chambered nautilus

English Thesaurus

1. cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions (noun.animal)

hypernym	:	cephalopod, cephalopod mollusk,
definition	:	marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles (noun.animal)

member meronym	:	genus nautilus,
definition	:	type genus and sole recent representative of the family Nautilidae (noun.animal)