The noun drum has 6 senses (first 2 from tagged texts)
1. (5) drum, membranophone, tympan -- (a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end)
2. (1) drum -- (the sound of a drum; "he could hear the drums before he heard the fifes")
3. barrel, drum -- (a bulging cylindrical shape; hollow with flat ends)
4. drum, metal drum -- (a cylindrical metal container used for shipping or storage of liquids)
5. brake drum, drum -- (a hollow cast-iron cylinder attached to the wheel that forms part of the brakes)
6. drum, drumfish -- (small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise)
Overview of verb drum
The verb drum has 3 senses (first 2 from tagged texts)
1. (1) drum, beat, thrum -- (make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night")
2. (1) drum -- (play a percussion instrument)
3. cram, grind away, drum, bone up, swot, get up, mug up, swot up, bone -- (study intensively, as before an exam; "I had to bone up on my Latin verbs before the final exam")