headphone

noun
UK /ˈhedfəʊn/
US /ˈhedfoʊn/

A small speaker you wear on or over your ears to listen to sound.

She put on her headphones to listen to music on the bus.


OTHER MEANINGS

2. A device with a microphone attached, used for talking and listening at the same time.

The pilot spoke into his headset during the flight.

3. One of a pair of small devices worn inside the ears.

He lost one earbud somewhere in his bag.

4. A padded band worn over the head that holds speakers against the ears.

These over-ear headphones block out noise on the plane.