Meaning

1. A drum.
2. Any of various anatomic structures in various animals with analogy to a drum head:
3. Any of various anatomic structures in various animals with analogy to a drum head:
4. Any of various anatomic structures in various animals with analogy to a drum head:
5. Any of various anatomic structures in various animals with analogy to a drum head:
6. Any of various anatomic structures in various animals with analogy to a drum head:
7. A vertical recessed triangular space between the sides of a pediment, typically decorated
8. A vertical recessed triangular space between the sides of a pediment, typically decorated
9. 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.