noun (plural nautiluses or nautiliˈnôtl-ī)
1A cephalopod mollusk with a light external spiral shell and numerous short tentacles around the mouth. Nautiluses swim with the buoyant gas-filled shell upright and descend to greater depths during the day.
- Genus Nautilus, the only surviving genus of the subclass Nautiloidea: several species, in particular the common chambered nautilus (Nautilus pompilius) of the Indo-Pacific, with a shell that is white with brownish bands on the outside and lined with mother-of-pearl on the inside
- Some patterns in nature are formed by natural growth mechanisms, as with the spiral shape of the nautilus shell.
- The beautiful nautilus shell is white to orange, with white stripes and a central, black whorl.
- The shape of the museum is like a giant, spiral seashell - a nautilus - made of concrete.
Words that rhyme with nautilusscurrilous • Wenceslas
A name previously given to Robert Fulton's “diving boat” (1800), also to the fictitious submarine in Jules Verne's Twenty Thousand Leagues under the Sea.
Definition of nautilus in:
- British & World English dictionary
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