noun
or pi·as·tre pēˈastə(r)
( -s )
Etymology: French piastre, from Italian piastra thin metal plate, coin, from Old Italian, from Latin emplastra, emplastrum plaster — more at plaster
1.
a. : a Spanish dollar : piece of eight — see money table
b. : a coin or note representing one piaster
2.
a.
(1) : any of several monetary units of some Middle Eastern countries (as Turkey, Egypt, or Syria) equal to 1/100 pound — see money table
(2) : a former Saudi Arabian unit equal to 1/22 rial
b. : a coin representing one of these units
3.
a. : a monetary unit of Cyprus equal to 1/9 shilling or 1/180 pound sterling
b. : a coin representing this unit
4.
a. : the basic monetary unit of French Indochina and (1956-75) of the Republic of Vietnam
b. : a coin or note representing one piaster