Tympanum may refer to: Tympanum (architecture), an architectural element located within the arch or pediment Tympanum (zoology), a hearing organ/gland in frogs and toads, a flat red oval on both sides of a frog's head Tympanum, in biology, the eardrum Timpano, in music, singular of timpani, a kettledrum Tympanum, or tympanal organ, a hearing organ in insects Sakia, a type of waterwheel… (More on Tympanum)