耳膜 Traditional form: 耳膜 Pinyin (reading): ěrmó Definitions: eardrum tympanum (of the middle ear) tympanic membrane Characters: 耳 - ear; to hear, to hear of; handle 膜 - membrane, film; to kneel and worship Traditional characters: 耳 - ear; to hear, to hear of; handle 膜 - membrane, film; to kneel and worship