Whistle | Mean of whistle in English Dictionary

/ˈwɪsəl/

• Noun
• a small device that makes a very high and loud sound when a person blows air through it
1. The policeman blew his whistle.
• a device through which air or steam is forced to produce a very high and loud sound
1. a factory whistle
2. We could hear the train's whistle.
• a high and loud sound made by forcing air through your lips or teeth
1. He gave a whistle [=he whistled] to catch my attention.

• a sound made by blowing
1. We could hear the low whistle of the wind through the trees.
2. the whistle of the tea kettle
• to tell police, reporters, etc., about something (such as a crime) that has been kept secret
1. He blew the whistle on the company's illegal hiring practices.
• very clean
1. We scrubbed the old boat until it was (as) clean as a whistle.
• to have a drink
1. Would you like to wet your whistle? [=would you like a drink?]
• Verb
• to make a high sound by blowing air through your lips or teeth
1. He was whistling as he walked down the street.
2. He whistled for a cab.
3. He whistled a happy tune.
• to produce a high and loud sound by forcing air or steam through a device
1. The teakettle started to whistle.
• to move, pass, or go very fast with a high sound
1. A bullet whistled past him.
• to act or talk as if you are relaxed and not afraid when you are actually afraid or nervous
1. He shows a confident manner, but he may just be whistling in the dark.