pulsation

n.

  1. A beating or throbbing, especially of the heart or of an artery, or in an inflamed part; a beat of the pulse.
  2. A single beat or throb of a series.
  3. A stroke or impulse by which some medium is affected, as in the propagation of sounds.
  4. Any touching of another's body willfully or in anger. This constitutes battery.