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Noun: nautilus (nautiluses,nautili)  no-ti-lus
  1. A submarine that is propelled by nuclear power
    - nuclear submarine, nuclear-powered submarine
     
  2. Cephalopod mollusk of warm seas whose females have delicate papery spiral shells
    - paper nautilus, Argonaut, Argonauta argo
     
  3. Cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
    - chambered nautilus, pearly nautilus

Derived forms: nautili, nautiluses

Type of: cephalopod, cephalopod mollusk, octopod, pigboat, sub, submarine, U-boat

Part of: Argonauta, genus Argonauta, genus Nautilus

Encyclopedia: Nautilus, Miami Beach