pulse
     n 1: (electronics) a sharp transient wave in the normal
          electrical state (or a series of such transients); "the
          pulsations seemed to be coming from a star" [syn: {pulsation},
           {pulsing}, {impulse}]
     2: the rhythmic contraction and expansion of the arteries with
        each beat of the heart; "he could feel the beat of her
        heart" [syn: {pulsation}, {heartbeat}, {beat}]
     3: the rate at which the heart beats; usually measured to
        obtain a quick evaluation of a person's health [syn: {pulse
        rate}, {heart rate}]
     4: edible seeds of various pod-bearing plants (peas or beans or
        lentils etc.)
     v 1: expand and contract rhythmically; beat rhythmically; "The
          baby's heart was pulsating again after the surgeon
          massaged it" [syn: {pulsate}, {throb}]
     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" [syn: {pulsate}]
     3: drive by or as if by pulsation; "A soft breeze pulsed the
        air"
Source: WordNet® 2.0