intransitive. To blow with a sibilant sound; to whistle, hiss.

intransitive. To play on or blow a pipe or similar wind instrument; to play the bagpipes. Cf. pipe, n.1 1.

intransitive. figurative. Of the wind: to whistle. Obsolete.

intransitive. To whistle; to make a whistling or rustling noise; to utter the interjection whew!

To utter a clear shrill sound, note, or song, as various birds and certain other animals; to pipe; †also formerly, to hiss, as a serpent.

intransitive. To make a gentle rippling sound. Cf. pipling, adj.

intransitive. To whistle shrilly. Also reduplicated.

intransitive. To make a light whistling sound; transitive to utter with such a sound.