Meaning of throb

Definition of throb

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

Other information on throb

WIKIPEDIA results for throb
Amazon results for throb