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Noun tympanum has 3 senses
- middle ear, tympanic cavity, tympanum - the main cavity of the ear; between the eardrum and the inner ear
--1 is a kind of cavity, bodily cavity, cavum
--1 is a part of auditory apparatus
--1 has parts:
- eardrum, tympanum, tympanic membrane, myringa - the membrane in the ear that vibrates to sound
--2 is a kind of membrane, tissue layer
--2 is a part of ear
--2 has parts: umbo
--2 has particulars: perforated eardrum
- kettle, kettledrum, tympanum, tympani, timpani - a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
--3 is a kind of percussion instrument, percussive instrument
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