a deep pulsating type of pain
an instance of rapid strong pulsation (of the heart); he felt a throbbing in his head
throb (n.)
pulsate or pound with abnormal force; my head is throbbing; Her heart was throbbing'
expand and contract rhythmically; beat rhythmically; The babys heart was pulsating again after the surgeon massaged it
tremble convulsively, as from fear or excitement