noun🔗ShareイヤホンA transducer that converts electric signals into sound and is held near the ear, especially as part of a telephone; an earpiece or headphone."I used an earphone to listen to music on the bus. "バスで音楽を聴くためにイヤホンを使いました。technologyelectronicssoundcommunicationdevicemachineChat with AIVocabulary GamePractice Reading