/ Dictionary / Index H headphone: Meaning and Definition of Find definitions for: head•phone Pronunciation: (hed'fōn"), [key] — n. a headset designed for use with a stereo system. any set of earphones. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: headphone (Thesaurus) head-on headpiece Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language