pulsate in WordNet English dictionary

1. move with or as if with a regular alternating motion
   "the city pulsated with music and excitement"
   pulsate  beat  quiver 
   
2. produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
   "pulse waves"; "a transmitter pulsed by an electronic tube"
   pulse  pulsate 
   
3. expand and contract rhythmically; beat rhythmically
   "The baby's heart was pulsating again after the surgeon massaged it"
   pulsate  throb  pulse