Definitions

1. verb

to produce a high-pitched sound, typically to signal or attract attention

“She whistled for the dog to come inside.”

2. noun

a device used to produce a high-pitched sound, typically by forcing air through a narrow opening

“He used a whistle to signal the start of the game.”

3. verb

to go or move quickly and quietly, especially in a way that is secretive or sneaky

“The children whistled past the teacher’s office.”

4. verb

to produce a soft hissing or whistling sound, typically as a sign of excitement or enthusiasm

“The crowd whistled in anticipation of the concert.”

5. noun

a short, high-pitched sound, typically produced by forcing air through the lips

“The whistle of the train was loud and piercing.”