- Anatomy, Zoology.
- Architecture.
- the recessed, usually triangular space enclosed between the horizontal and sloping cornices of a pediment, often decorated with sculpture.
- a similar space between an arch and the horizontal head of a door or window below.
- the diaphragm of a telephone.
- a drum or similar instrument.
- the stretched membrane forming a drumhead.
- the cavity of the middle ear
- another name for tympanic membrane
- any diaphragm resembling that in the middle ear in function
- Also called: tympan architect
- the recessed space bounded by the cornices of a pediment, esp one that is triangular in shape and ornamented
- the recessed space bounded by an arch and the lintel of a doorway or window below it
- a tympan or drum
- a scoop wheel for raising water
