膜孔 Traditional form: 膜孔 Pinyin (reading): mókǒng Definitions: hole in the body of a musical instrument, covered with a membrane which produces a buzzing tone Characters: 膜 - membrane, film; to kneel and worship 孔 - opening, hole, orifice; great Traditional characters: 膜 - membrane, film; to kneel and worship 孔 - opening, hole, orifice; great