Emily Dickinson Lexicon

whistle (-d), v. [OE.] (webplay: air, furrowed, tune).

1. Warble; sing; [fig.] brag; announce; assert life; give a high-minded declamation as a poet.
2. Emit a high-pitched sound with the lips and teeth; make a lighthearted melody by pursing the lips and releasing a stream of air.
3. Howl; rustle; make a high-pitched sound; produce an eerie noise as the wind does.