|1.||[ noun ] (music) the act of whistling a tune|
"his cheerful whistling indicated that he enjoyed his work"
|Related terms:||music whistle|
|2.||[ noun ] the sound made by something moving rapidly or by steam coming out of a small aperture|
|Related terms:||sound whistle|
|3.||[ noun ] the act of signalling (e.g., summoning) by whistling or blowing a whistle|
"the whistle signalled the end of the game"
|Related terms:||signal whistle|