whistle

Main Entry: ²whistle

Function: verb

Inflected Form(s): whis·tled; whis·tling \-s(ə-)liŋ\

Date: before 12th century

intransitive verb 1 a : to utter a shrill clear sound by blowing or drawing air through the puckered lips b : to utter a shrill note or call resembling a whistle c : to make a shrill clear sound especially by rapid movement whistled> d : to blow or sound a whistle
2 a : to give a signal or issue an order or summons by or as if by whistling b : to make a demand without result transitive verb 1 a : to send, bring, signal, or call by or as if by whistling b : to charge (as a basketball or hockey player) with an infraction
2 : to produce, utter, or express by whistling

— whis·tle·able \-sə-lə-bəl\ adjective

— whistle in the dark : to keep up one's courage by or as if by whistling