[n] an instance of rapid strong pulsation (of the heart); "he felt a throbbing in his head"
[n] a deep pulsating type of pain
[v] expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it"
[v] tremble convulsively
[v] pulsate or pound with abnormal force; "my head is throbbing"; "Her heart was throbbing"