Definition of tympanum
plural tym·pa·naplay \-nə\ also tym·pa·nums
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
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
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