1. n. A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound.
2. n. An act of whistling.
3. n. A shrill, high-pitched sound made by whistling.
4. n. Any high-pitched sound similar to the sound made by whistling.
the whistle of the wind in the trees
5. n. (Cockney rhyming slang) A suit (from whistle and flute).
6. n. (colloquial) The mouth and throat; so called as being the organs of whistling.
7. v. To make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.
Never whistle at a funeral.
She was whistling a happy tune.
8. v. To make a similar sound by forcing air through a musical instrument or a pipe etc.
The stream train whistled as it passed by.
9. v. (intransitive) To move in such a way as to create a whistling sound.
