This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Objects designed to cover a person's ears for protection against cold or noise. They consist of a thermoplastic or metal head-band, that fits over the top of the head, and a pad at each end, to cover the external ears.

"he has been an irresistible lunatic with a strange reservoir of undying confidence, peculiar sensitivity and the kind of morality that insists on "earmuffs" for a child's ears while a frat party is planned."

earplug