whistle

an inexpensive fipple flute

move with, or as with, a whistling sound

“The bullets whistled past him”

utter or express by whistling

“She whistled a melody”

make a whining, ringing, or whistling sound

the sound made by something moving rapidly or by steam coming out of a small aperture

the act of signalling (e.g., summoning) by whistling or blowing a whistle

“the whistle signalled the end of the game”

acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound

a small wind instrument that produces a whistling sound by blowing into it

give a signal by whistling

“She whistled for her maid”

make whistling sounds

move, send, or bring as if by whistling

“Her optimism whistled away these worries”