whistling

the act of a person or thing that whistles.

the sound produced.

Veterinary Pathology. a form of roaring characterized by a peculiarly shrill sound.

to make a clear musical sound, a series of such sounds, or a high-pitched, warbling sound by the forcible expulsion of the breath through a small opening formed by contracting the lips, or through the teeth, with the aid of the tongue.

to make such a sound or series of sounds otherwise, as by blowing on some device.

to emit similar sounds from the mouth, as birds do.

(of a device) to produce a similar sound when actuated by steam or the like: This teakettle whistles when it boils.

to move, go, pass, etc., with a whistling or whizzing sound, as a bullet or the wind.

to produce by whistling: to whistle a tune.

to call, direct, or signal by or as by whistling: He whistled his dog over.

to send with a whistling or whizzing sound.

an instrument for producing whistling sounds by means of the breath, steam, etc., as a small wooden or tin tube, a pipe, or a similar device with an air chamber containing a small ball that oscillates when air is forced through an opening, producing a high-pitched, warbling tone.

a sound produced by whistling: a prolonged whistle of astonishment.

a simple fipple flute.