tym·pa·num also tim·pa·num (tĭm’pə-nəm) n. pl. tym·pa·na also tim·pa·na (-nə) or tym·pa·nums also tim·pa·nums
2. |
Architecture.
a. |
the recessed, usually triangular space enclosed between the horizontal and sloping cornices of a pediment, often decorated with sculpture. |
b. |
a similar space between an arch and the horizontal head of a door or window below. |
|
3. |
Electricity. the diaphragm of a telephone. |
4. |
a drum or similar instrument. |
5. |
the stretched membrane forming a drumhead. |
[Origin: 1610–20; < L < Gk týmpanon drum, akin to týptein to beat, strike]
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