From peira (“rock, stone”) + -á.
peirá f (plural peirás)
- (Mañegu) blow with a rock
- Synonym: peiroscadu (Mañegu)
- Valeš, Miroslav (2021) Diccionariu de A Fala: lagarteiru, mañegu, valverdeñu (web)[1], 2nd edition, Minde, Portugal: CIDLeS, published 2022, →ISBN