Emily Dickinson Lexicon

WHIS'TLE, v.i. [hwis'l; Sax. hwistlan; Sw. hvissla; Dan. hvidsler; L. fistula, a whistle; allied to whisper.]

1. To utter a kind of musical sound, by pressing the breath through a small orifice formed by contracting the lips. While the plowman near at hand, / Whistles o'er the furrow'd land. – Milton.
2. To make a sound with a small wind instrument.
3. To sound shrill, or like a pipe. The wild winds whistle, and the billows roar. – Pope.