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tympanum

noun

tym·​pa·​num ˈtim-pə-nəm How to pronounce tympanum (audio)
plural tympana ˈtim-pə-nə How to pronounce tympanum (audio) also tympanums
1
b
: a thin tense membrane covering an organ of hearing of an insect see insect illustration
c
: a membranous resonator in a sound-producing organ
2
a
: the recessed usually triangular face of a pediment within the frame made by the upper and lower cornices
b
: the space within an arch and above a lintel or a subordinate arch

Illustration of tympanum

Illustration of tympanum
  • 1 tympanum 2a

Example Sentences

Recent Examples on the Web Over the door is a stone tympanum adorned with the image of an open book, hinting at the building’s former life. Mike Scott, NOLA.com, 12 Aug. 2020

Word History

Etymology

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, in the meaning defined at sense 1a(1)

Time Traveler
The first known use of tympanum was in 1619

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