Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

nautilus

play
noun, nau·ti·lus \ˈnȯ-tə-ləs, ˈnä-\

Definition of nautilus

plural nautiluses or nautiliplay \-tə-ˌlī, -ˌlē\

  1. 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

  2. 2 :  paper nautilus



Illustration of nautilus

Origin of nautilus

New Latin, from Latin, paper nautilus, from Greek nautilos, literally, sailor, from naus ship


First Known Use: 1601



Seen and Heard

What made you want to look up nautilus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by grandiloquent style

Get Word of the Day daily email!