noun
- plural of whistle: small devices that make a high-pitched sound when air is blown through them
- plural of whistle: high-pitched sounds made by forcing air through pursed lips or a small opening
verb
- third person singular present of whistle: makes a high-pitched sound by forcing air through pursed lips or a device
Examples
- The referee’s whistles could be heard across the field.
- Train whistles echoed through the valley at night.
- She whistles while she works in the garden.
- The coach whistles to get the players’ attention.
- The tea kettle whistles when the water boils.
- He always whistles his favorite tune.
- Police officers carry whistles for emergencies.