| 1. shrill sound produced by forcing air through a small opening (as between the lips or teeth); device which produces a whistle by forcing air or steam through an opening (i.e. tea kettle, train whistle); act of whistling. produce a shrill sound by forcing air (or steam) through a small opening between the teeth or lips (or in a mechanical device, i.e. tea kettle or train); move quickly through the air making a whistle-like sound; call by whistling. whistlewhistle, n. [as. hwistle a pipe, flute, whistle. see: whistle, v. i.] |