pisak

1. squeal; shriek; squeak; whistle
   Čuo se pisak kočnica ispred zgrade. — There was a squeal of brakes in front of the building.
   Iz kutije je dopirao tih pisak mačića. — A faint squeak of a kitten came from the box.
   Utakmica je počela na pisak sudije. — The match started at the referee's whistle.
2. (of a wind instrument) mouthpiece; reed
   Saksofonista je promenio pisak pre koncerta. — The saxophonist changed the mouthpiece before the concert.