Definition of headphones noun from the Oxford Advanced American Dictionary

 

headphones

 noun
noun
NAmE//ˈhɛdfoʊnz//
 
(also earphones)[plural]
 
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a piece of equipment worn over or in the ears that makes it possible to listen to music, the radio, etc. without other people hearing it a pair/set of headphones
See the Oxford Advanced Learner's Dictionary entry: headphones