\ ˈpyäst\
plural -s

Definition of Piast

1 : a member of the first dynasty of Polish rulers that ended with the death of Casimir III in 1370
2a : a member of the native Polish nobility
b : a man of purely Polish descent

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History and Etymology for Piast

after Piast, legendary peasant who was believed to be the founder of the dynasty in the 9th century

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miscellaneous remnants or debris

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