definition of
pulse

[1] #1 pulse n. [pulsation, pulsing, impulse] (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". wn

[2] #2 pulse v. [pulsate, throb] expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it". wn

[3] #3 pulse n. [pulsation, heartbeat, beat] the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart". wn

[4] #4 pulse v. [pulsate] 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". wn

[5] #5 pulse n. [pulse rate, heart rate] the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health. wn