Definitions

1. noun

A tympanum or tympanum of a church is a semicircular or arch-shaped space above a doorway, especially in a medieval church.

“The tympanum of the cathedral was adorned with intricate carvings and gold leaf.”

2. noun

A tympanum of the ear is the eardrum, which separates the outer ear from the middle ear.

“The tympanum of the ear vibrated in response to the loud music.”