Definition of doubloon in US English:

doubloon

noun

historical
  • A Spanish gold coin.

    • ‘So I took my mother's spoons and headed out for the backyard where I proceeded to dig about a zillion holes in the ground searching for gold doubloons.’
    • ‘In my spare time, I also look for rare Spanish doubloons in Coke machines.’
    • ‘Look here at this gold doubloon, this ounce of Spanish gold!’
    • ‘Most valued are the doubloons, aluminum coins about the size of a silver dollar with the krewe's emblem.’
    • ‘For a brief instant, he imagined opening the chest to find gold doubloons or the like but then the adult in him rose up and chastised his childish side.’

Origin

Early 17th century: from French doublon or its source, Spanish doblón, from doble ‘double’ (so named because the coin was worth double the value of a pistole).

Pronunciation

doubloon

/dəˈblo͞on//dəˈblun/