WordRel.com

• cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions

  synonym	chambered nautiluspearly nautilus
  holo member	genus Nautilus
  hypernym	cephalopodcephalopod mollusk

• cephalopod mollusk of warm seas whose females have delicate papery spiral shells

  synonym	ArgonautArgonauta argopaper nautilus
  holo member	Argonautagenus Argonauta
  hypernym	octopod

• a submarine that is propelled by nuclear power

  synonym	nuclear submarinenuclear-powered submarine
  hypernym	pigboatsubsubmarine