#1 throb v. pulsate or pound with abnormal force; "my head is throbbing"; "Her heart was throbbing". wn
#2 throb v. [pulsate, pulse] expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it". wn
#3 throb n. a deep pulsating type of pain. wn
#4 throb n. [throbbing, pounding] an instance of rapid strong pulsation (of the heart); "he felt a throbbing in his head". wn
#5 throb v. [shudder, shiver, thrill] tremble convulsively, as from fear or excitement. wn
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