Whis·tle v. i. [imp. & p. p. Whistled p. pr. & vb. n. Whistling ]
 1. To make a kind of musical sound, or series of sounds, by forcing the breath through a small orifice formed by contracting the lips; also, to emit a similar sound, or series of notes, from the mouth or beak, as birds.
 The weary plowman leaves the task of day,
 And, trudging homeward, whistles on the way.   --Gay.
 2. To make a shrill sound with a wind or steam instrument, somewhat like that made with the lips; to blow a sharp, shrill tone.
 3. To sound shrill, or like a pipe; to make a sharp, shrill sound; as, a bullet whistles through the air.
    The wild winds whistle, and the billows roar.   --Pope.