1. middle ear, tympanic cavity, tympanum, cavity, bodily cavity, cavum

usage: the main cavity of the ear; between the eardrum and the inner ear

2. eardrum, tympanum, tympanic membrane, myringa, membrane, tissue layer

usage: the membrane in the ear that vibrates to sound

3. kettle, kettledrum, tympanum, tympani, timpani, percussion instrument, percussive instrument

usage: a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it

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See also: tympanum (Dictionary)