Whistle

Meanings

A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound.
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.

Whistle: or other means. Whistles vary in size from a small slide whistle or nose flute type to a large multi-piped church organ. Whistles have been around since
Whistle register: The whistle register (also called the flute register or flageolet register) is the highest register of the human voice, lying above the modal register
Tin whistle: The tin whistle, also known as the penny whistle, is a simple six-holed woodwind instrument. It is a type of fipple flute, putting it in the same class