move so as to change position, perform a nontranslational motion

the basic rhythmic unit in a piece of music

the rhythmic contraction and expansion of the arteries with each beat of the heart

expand and contract rhythmically; beat rhythmically

beat rapidly

beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all

move noisily

indicate by beating, as with the fingers or drumsticks