Expand and contract rhythmically; beat rhythmically; The baby's heart was pulsating again after the surgeon massaged it.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.pulsate
Origin: L. Pulsatus, p. P. Of pulsare to beat, strike, v. Intens. Fr. Pellere to beat, strike, drive. See Pulse a beating, and cf. Pulse.