drum
noun.
a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
noun.
the sound of a drum
he could hear the drums before he heard the fifes
noun.
a bulging cylindrical shape; hollow with flat ends
Synonym: barrel
noun.
a cylindrical metal container used for shipping or storage of liquids
Synonym: metal drum
noun.
a hollow cast iron cylinder attached to the wheel that forms part of the brakes
Synonym: brake drum
noun.
small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
Synonym: drumfish
verb.
make a rhythmic sound
Rain drummed against the windshield|The drums beat all night
Synonym: beat, thrum
verb.
play a percussion instrument
verb.
study intensively, as before an exam
I had to bone up on my Latin verbs before the final exam