| Tympanum: English to English |
| Tympanum (n.) A chamber in the anterior part of the syrinx of birds. |
| Tympanum (n.) A drum-shaped wheel with spirally curved partitions by which water is raised to the axis when the wheel revolves with the lower part of the circumference submerged, -- used for raising water, as for irrigation. |
| Tympanum (n.) One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse. |
| Tympanum (n.) The ear drum, or middle ear. Sometimes applied incorrectly to the tympanic membrane. See Ear. |
| Tympanum (n.) The recessed face of a pediment within the frame made by the upper and lower cornices, being usually a triangular space or table. |
| Tympanum (n.) The space within an arch, and above a lintel or a subordinate arch, spanning the opening below the arch. |