-ˈtimpəˌnī, -ˌnē noun
( plural scalae tym·pa·no·rum -ˌtimpəˈnōrəm, -ˈnȯrəm)
Etymology: New Latin, literally, scala of the tympanum
: the lymph-filled spiral canal below the scala media in the cochlea of the ear communicating at its upper end with the scala vestibuli and abutting at its lower end upon the secondary tympanic membrane that separates the fenestra cochleae from the middle ear