tympanum /timˈpə-nəm/

1. A drum
2. A drumhead
3. The middle ear
4. The membrane separating it from the outer ear, the drum (also called the tympanic membrane)
5. In insects, a vibratory membrane in various parts of the body, serving as an eardrum
6. In birds, the resonating sac of the syrinx
7. An air-sac in the neck in grouse, etc
8. The recessed face of a pediment (architecture)
9. A space between a lintel and an arch over it (architecture)
10. A carving on this area (architecture)
11. An early type of wheel for scooping up water

tymˈpanal adjective (anatomy and zoology)

Of or relating to the tympanum

tympanic /-panˈik/ adjective

1. Of or like a drum or tympanum
2. Tympanitic

A bone of the ear, supporting the drum-membrane

tymˈpaniform (or /-panˈ/) adjective

1. Drum-shaped
2. Drum-like

tymˈpanist noun

A drummer, now esp (also timˈpanist) a player of the timpani

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