earphone

American  

[eer-fohn] / ˈɪərˌfoʊn /

noun

1. a sound receiver that fits in or over the ear, as of a radio or telephone.

2. Usually earphones. a headset; headphone.

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earphone British  

/ ˈɪəˌfəʊn /

noun

1. a device for converting electric currents into sound waves, held close to or inserted into the ear

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Etymology

Origin of earphone

First recorded in 1920–25; ear ¹ + phone ¹