Pound, as a heart (5)
I believe the answer is:
throb
(Other definitions for throb that I've seen before include "One's heart may do it" , "Pound" , "Pulse" , "beat repeatedly" , "Martin -; Kingsley -" .)
I believe the answer is:
throb
(Other definitions for throb that I've seen before include "One's heart may do it" , "Pound" , "Pulse" , "beat repeatedly" , "Martin -; Kingsley -" .)