Pronunciation: (pē-as'tur, -ä'stur),[key] —n. 1. a former coin of Turkey, the 100th part of a lira: replaced by the kurus in 1933.
2. a monetary unit of Egypt, Lebanon, Sudan, and Syria, the 100th part of a pound.
3. a former monetary unit of South Vietnam: replaced by the dong in 1976.
4. the former peso or dollar of Spain and Spanish America. Also,pi•as'tre.