whistle (noun)
1: the sound made by something moving rapidly or by steam coming out of a small aperture [syn: whistling]
2: the act of signalling (e.g., summoning) by whistling or blowing a whistle; "the whistle signalled the end of the game" [syn: whistling]
3: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
4: an inexpensive fipple flute [syn: pennywhistle, [[tin whistle]]]
whistle
(verb)
1: make whistling sounds; "He lay there, snoring and whistling"
2: move with, or as with, a whistling sound; "The bullets whistled past him"
3: utter or express by whistling; "She whistled a melody"
4: move, send, or bring as if by whistling; "Her optimism whistled away these worries"
5: make a whining, ringing, or whistling sound; "the kettle was singing"; "the bullet sang past his ear" [syn: sing]
6: give a signal by whistling; "She whistled for her maid"