Pound rhythmically, throb (7)

I believe the answer is:
pulsate
(Other definitions for pulsate that I've seen before include "thrill" , "Throb regularly like heart" , "Produce a regular throbbing sensation" , "Expand and contract regularly" .)
I believe the answer is:
pulsate
(Other definitions for pulsate that I've seen before include "thrill" , "Throb regularly like heart" , "Produce a regular throbbing sensation" , "Expand and contract regularly" .)