drum

1. A percussive musical instrument spanned with a thin covering on at least one end for striking, forming an acoustic chamber, affecting what materials are used to make it; a membranophone.
2. Any similar hollow, cylindrical object.

   Replace the drum unit of your printer.

3. A barrel or large cylindrical container for liquid transport and storage.

   The restaurant ordered ketchup in 50-gallon drums.

4. The encircling wall that supports a dome or cupola.
5. Any of the cylindrical blocks that make up the shaft of a pillar.
6. A drumfish (family Sciaenidae).
7. A tip; a piece of information.

noun

A small hill or ridge of hills.

1. A social gathering or assembly held in the evening.
2. A person's home; a house or other building, especially when insalubrious; a tavern, a brothel.