Yes, drum is a Scrabble word!

Verb

1. Make a rhythmic sound

2. Play a percussion instrument

3. Study intensively, as before an exam

Noun

1. A musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end

2. The sound of a drum

3. A bulging cylindrical shape; hollow with flat ends

4. A cylindrical metal container used for shipping or storage of liquids

5. A hollow cast-iron cylinder attached to the wheel that forms part of the brakes

6. Small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise