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piastre

British  
/ pɪˈæstə /

noun

  1. (formerly) the standard monetary unit of South Vietnam, divided into 100 cents

  2. a fractional monetary unit of Egypt, Lebanon, and Syria worth one hundredth of a pound; formerly also used in the Sudan

  3. another name for kuruş

  4. a rare word for piece of eight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of piastre

C17: from French piastre, from Italian piastra d'argento silver plate; related to Italian piastro plaster