whistle

US /ˈwɪs.əl/
UK /ˈwɪs.əl/
"whistle" picture
1.

sifflement, sifflet

a clear, high-pitched sound made by forcing breath through a small hole between partly closed lips, or through a device that produces such a sound

:
He let out a loud whistle to get their attention.
Il a poussé un fort sifflement pour attirer leur attention.
The referee blew his whistle to signal the end of the game.
L'arbitre a soufflé dans son sifflet pour signaler la fin du match.
1.

siffler

to make a clear, high-pitched sound by forcing breath through a small hole between partly closed lips, or through a device that produces such a sound

:
He began to whistle a cheerful tune as he walked.
Il commença à siffler un air joyeux en marchant.
The train whistled as it approached the station.
Le train siffla à l'approche de la gare.