eardrumEnglishOxford New American Dictionaryeardrum /ˈirˌdrəm, ˈɪrˌdrəm / ▸ noun the membrane of the middle ear, which vibrates in response to sound waves; the tympanic membrane.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary