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nautilus definition

nau·ti·lus (nôt′'l əs)

noun pl. nautiluses -·luses or nautili -·li′ (-ī′)

  1. any of two genera (Nautilus or Allonautilus) of tropical tetrabranchiate cephalopods having a many-chambered, spiral shell with a pearly interior
  2. paper nautilus

Etymology: ModL < L < Gr nautilos, sailor, nautilus < naus, a ship: see navy

weight-lifting equipment that uses a mechanical cam that varies the resistance of the weights in proportion to muscular strength

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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