tympanum: Meaning and Definition of

tym•pa•num

1. Seemiddle ear.
2. Seetympanic membrane.
1. the recessed, usually triangular space enclosed between the horizontal and sloping cornices of a pediment, often decorated with sculpture.
2. a similar space between an arch and the horizontal head of a door or window below.
3. the diaphragm of a telephone.
4. a drum or similar instrument.
5. the stretched membrane forming a drumhead.