nautilus

Noun
  1. A submarine that is propelled by nuclear power (synset 103816835)
    is a type of: pigboat, sub, submarine, u-boat - a submersible warship usually armed with torpedoes
    same as: nuclear submarine, nuclear-powered submarine
  2. Cephalopod mollusk of warm seas whose females have delicate papery spiral shells (synset 101973308)
    is a type of: octopod - a cephalopod with eight arms but lacking an internal shell
    belongs to: argonauta, genus argonauta - type genus of the family Argonautidae: paper nautilus
    same as: argonaut, argonauta argo, paper nautilus
  3. Cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions (synset 101971538)
    is a type of: cephalopod, cephalopod mollusk - marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
    belongs to: genus nautilus - type genus and sole recent representative of the family Nautilidae
    same as: chambered nautilus, pearly nautilus

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