throb

(noun) a deep pulsating type of pain.

(noun) an instance of rapid strong pulsation (of the heart). Synonyms: throbbing, pounding. Example: "He felt a throbbing in his head."

(verb) pulsate or pound with abnormal force. Examples: "My head is throbbing." "Her heart was throbbing."

(verb) expand and contract rhythmically; beat rhythmically. Synonyms: pulsate, pulse. Example: "The baby's heart was pulsating again after the surgeon massaged it."

(verb) tremble convulsively, as from fear or excitement. Synonyms: shudder, shiver, thrill.