Doubloon

from WordNet (r) 3.0 (2006)

doubloon
    n 1: a former Spanish gold coin

from The Collaborative International Dictionary of English v.0.48

Doubloon \Doub*loon"\, n. [F. doublon, Sp. doblon. See {Double},
   a., and cf. {Dupion}.]
   A Spanish gold coin, no longer issued, varying in value at
   different times from over fifteen dollars to about five. See
   {Doblon} in Sup.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

23 Moby Thesaurus words for "doubloon":
      coin, crown, double eagle, ducat, eagle, five-dollar gold piece,
      gold piece, guinea, half crown, half eagle, hard money, moidore,
      napoleon, piece, piece of money, piece of silver, pound sovereign,
      roll of coins, rouleau, sovereign, specie, ten-dollar gold piece,
      twenty-dollar gold piece

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