WHISTLE

[verb] - to make a high sound by forcing air through a small hole or passage, esp. through the lips, or through a special device held to the lipsHe whistled as he worked. [I]How loud can you whistle? [I]Someone was whistling Beatles tunes outside my window. [T]The referee whistled and the game was over. [I]She has one of those kettles that whistles when the water has boiled. [I]You can whistle at someone to attract their attention.On the days when she wore a skirt the men on the building site would whistle at her.You can whistle to a dog to tell it to do something.She's well trained - she'll come running back to me when I whistle (to her).Something can be said to whistle if it makes a high sound while moving quickly.She heard the wind whistling through the trees and the howl of a distant wolf.I stepped out of the building and immediately a bullet whistled past my head.A bird can be said to whistle if it makes a high sound.