drum

noun

1
small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
2
a hollow cast-iron cylinder attached to the wheel that forms part of the brakes
3
a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
4
a cylindrical metal container used for shipping or storage of liquids
5
the sound of a drum
he could hear the drums before he heard the fifes
6
a bulging cylindrical shape; hollow with flat ends

1
study intensively, as before an exam
I had to bone up on my Latin verbs before the final exam
2
play a percussion instrument
3
make a rhythmic sound
Rain drummed against the windshield
The drums beat all night

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