nautilus

English dictionary entry

Meanings

noun
  1. A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers, of which Nautilus is the type genus.
  2. A kind of diving bell that sinks or rises by means of compressed air.
  3. A paper nautilus (actually an octopus).

Pronunciation

/ˈnɔː.tɪ.ləs/ /ˈnɔ.tɪ.ləs/ /ˈnɑ.tɪ.ləs/ en-us-nautilus.ogg

Word forms

nautilus nautiluses nautili

Etymology

From Latin nautilus, from Ancient Greek ναυτίλος (nautílos, “paper nautilus, sailor”).

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