As nouns the difference between earmuff and headphone
is that earmuff is a garment to keep the ears warm while headphone is a listening device placed or worn in the ear, usually sold in pairs.
earmuff
English
Alternative forms
* ear muffs
Noun
(
en noun)
A garment to keep the ears warm.
A garment or part worn over a single ear.
A sound-deadening cup or a pair of such cups worn over the ear or ears.
.
headphone
English
Noun
(
en noun)
A listening device placed or worn in the ear, usually sold in pairs
- She handed me one headphone so I could listen too.
Usage notes
Also used as a noun modifier: e.g. headphone plug, headphone socket.