intransitive. To utter a clear, more or less shrill sound or note by forcing the breath through the narrow opening formed by contracting the lips…

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

Of a person. intransitive. To utter the exclamation ‘whoo’; to hoot or whoop in order to attract attention, to express disapproval or (now…

intransitive. Of a person: to whistle. Obsolete. rare.

= wheeple, v.

intransitive. To utter a somewhat protracted shrill cry, like the curlew or plover; also, to whistle feebly (intransitive and transitive).