Learner's definition of PERCUSSION
: musical instruments (such as drums, cymbals, or xylophones) that you play by hitting or shaking
He plays percussion for the band.
The marimba is a percussion instrument.
The song features Tito Puente on percussion. [=Tito Puente plays percussion instruments for the song]
The percussion section [=the group of musicians who play percussion instruments in a band or orchestra] did a great job.