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tympanum

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noun, tym·pa·num \ˈtim-pə-nəm\

Definition of tympanum

plural tympanaplay \-nə\ also tympanums

  1. 1a (1) :  tympanic membrane (2) :  middle earb :  a thin tense membrane covering an organ of hearing of an insect — see insect illustrationc :  a membranous resonator in a sound-producing organ

  2. 2a :  the recessed usually triangular face of a pediment within the frame made by the upper and lower cornicesb :  the space within an arch and above a lintel or a subordinate arch



Illustration of tympanum

Origin of tympanum

Medieval Latin & Latin; Medieval Latin, eardrum, from Latin, drum, architectural panel, from Greek tympanon drum, kettledrum; perhaps akin to Greek typtein to beat


First Known Use: 1619


Medical Dictionary

tympanum

play
noun tym·pa·num \ˈtim-pə-nəm\

Medical Definition of tympanum

plural tympana \-nə\play also tympanums




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