nautilus

noun
nau*ti*lus \ ˈnȯ-tə-ləs \ ˈnä- \
1601{ds||1||}
  • any of a genus (Nautilus) of cephalopod mollusks of the South Pacific and Indian oceans with a spiral chambered shell that is pearly on the inside —called also chambered nautilus
  • paper nautilus

chambered nautilus

noun
chambered nautilus \
1777
  • nautilus

paper nautilus

noun
paper nautilus \
circa 1792
  • a pelagic cephalopod (genus Argonauta) of which the female has a delicate papery shell

pearly nautilus

noun
pearly nautilus \
circa 1800
  • nautilus
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