What is the meaning of Piła?

saw

feminine singular of pił

saw, file (tool with a toothed blade used for cutting hard substances, in particular wood or metal)

sawfish (any ray of the family Pristidae)

augmentative of piłka

third-person singular feminine past of pić

file, saw (instrument formed by a long, toothed steel blade, used to cut wood, stone, metals, etc.)

sawmill (workshop where wood is sawn)

feminine singular l-participle of pić

Source: wiktionary.org