noun, feminine/pjastʁ/plural: piastres
piastre (one of several historical units of currency); buck, buckaroo (a Canadian or American dollar); silver dollar (a type of tropical freshwater fish)
“Neuf, ça vaut au moins mille piastres, je l'ai eu pour la moitié.” — It's worth at least a thousand bucks new; I got it for half that.
Synonyms: dollar
Borrowed from Italian piastra. Doublet of plâtre.