tympanum

nouns

the main cavity of the ear; between the eardrum and the inner ear
middle ear, tympanic cavity, tympanum
the membrane in the ear that vibrates to sound
eardrum, myringa, tympanic membrane, tympanum
a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
kettle, kettledrum, timpani, tympani, tympanum
is derived from
tympanist
is derived from
timpanist