'Doubloon' definitions:

Definition of 'doubloon'

From: WordNet
noun
A former Spanish gold coin

Definition of 'Doubloon'

From: GCIDE
  • 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]

Synonyms of 'doubloon'

From: Moby Thesaurus