nautilus definition

  • noun:
    • A cephalopod mollusk of the genus Nautilus, especially N. pompilius, found in the Indian and Pacific oceans and having a spiral, pearly-lined shell with some air-filled chambers. Also known as chambered nautilus, pearly nautilus.
    • The report nautilus.
    • A marine mollusc, for the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral layer with a series of air-filled chambers, of which Nautilus is the type genus.
    • truly the only existing genus of tetrabranchiate cephalopods. About four species are observed residing in the tropical Pacific, but the majority of various other types are observed fossil. The layer is spiral, symmetrical, and chambered, or split into a few cavities by simple curved partitions, that are traversed and linked collectively by a consistent and almost central tube or siphuncle. See tetrabranchiata.
    • The argonaut; -- also called paper nautilus. See Argonauta, and Paper nautilus, under Paper.
    • a number of diving bell, the lateral in addition to vertical movements which tend to be controlled, because of the occupants.
    • The Argonauta argo, or any other cephalopod thought to sail through the broadened tentacular arms.
    • A genus of tetrabranchiate cephalopoda, particular the Nautilacea or Nautilid√¶, to which different restrictions have-been assigned.
    • A Portuguese man-of-war. See Physalia.
    • A form of diving-bell which needs no suspension, sinking and rising because of the agency of condensed atmosphere.
    • cephalopod associated with the Indian and Pacific oceans having a spiral shell with pale pearly partitions
    • a submarine which propelled by atomic power
    • cephalopod mollusk of cozy seas whose females have fine papery spiral shells

Related Sources

  • Definition for "nautilus"
    • A cephalopod mollusk of the genus Nautilus, especially…
    • View More
  • Sentence for "nautilus"
    • The word "nautilus" comes from the…
    • View More
  • Quotes for "nautilus"
    • "I love Nautilus and stretching. The…"
    • View More
  • Synonym for "nautilus"
  • Hypernym for "nautilus"
  • Cross Reference for "nautilus"
  • Same Context for "nautilus"
  • Urban Dictionary for "nautilus"
173 votes

How would you define nautilus?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!