random whistle and meaning of whistles
Wiktionary(0.00 / 0 votes)Rate this definition: 1  whistle(Noun) A device designed to be placed in the mouth in order to make a whistling sound. 2  whistle(Noun) An act of whistling. 3  whistle(Noun) A shrill, high-pitched sound made by whistling.  whistle(Noun) Any high-pitched sound similar to the sound made by whistling.