- a device for converting electric currents into sound waves, held close to or inserted into the ear
WordReference Random House Learner's Dictionary of American English © 2017
- Sound Reproductiona sound receiver, as of a radio or telephone, that fits in or over the ear.
- Sound ReproductionUsually, earphones. [plural] a headset.
- Sound Reproductiona sound receiver that fits in or over the ear, as of a radio or telephone.
- Usually, earphones. a headset;
- ear1 + phone1 1920–25