throbbing

Adjective

• pounding or beating strongly or violently
  • a throbbing pain
    
  • the throbbing engine of the boat
    

Noun

• a sound with a strong rhythmic beat
  • the throbbing of the engines
    

• an instance of rapid strong pulsation (of the heart)
  • he felt a throbbing in his head
    

Related words

• Synonyms: 
  throb , pounding