earphone
nounUK /ˈɪəfəʊn/
US /ˈɪrfoʊn/
A small thing you put in or on your ear so you can hear music or sounds.
She put on her earphones to listen to music on the bus.
RELATED WORDS
OTHER MEANINGS
2. A device worn over the head with two earpieces for listening to audio.
He wore earphones while working out at the gym.
3. A small receiver held to the ear, as on a telephone.
The operator adjusted her earphone to hear the caller better.
4. An in-ear monitor used by performers to hear music on stage.
The singer used custom earphones during the concert.