drum

(drŭm)

1. a. A percussion instrument consisting of a hollow cylinder or hemisphere with a membrane stretched tightly over one or both ends, played by beating with the hands or sticks.
   b. A sound produced by this instrument.
2. Something resembling a drum in shape or structure, especially a barrellike metal container or a metal cylinder wound with cable, wire, or heavy rope.
3. Architecture
   a. A circular or polygonal wall supporting a dome or cupola. Also called tambour.
   b. Any of the cylindrical stone blocks that are stacked to form the shaft of a column.
4. Any of various marine and freshwater fishes of the family Sciaenidae that make a drumming sound.
5. Anatomy The eardrum.

1. To play a drum or drums.
2. To thump or tap rhythmically or continually: nervously drummed on the table.
3. To produce a booming, reverberating sound by beating the wings, as certain birds do.

1. To perform (a piece or tune) on or as if on a drum.
2. To summon by or as if by beating a drum.
3. To make known to or force upon (a person) by constant repetition: drummed the answers into my head.
4. To expel or dismiss in disgrace. Often used with out: was drummed out of the army.