pulse

noun

1.
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
Derived from:
pulsate pulse
2.
the rhythmic contraction and expansion of the arteries with each beat of the heart
Derived from:
pulsate pulse
3.
the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
Derived from:
pulsate pulse
4.
edible seeds of various pod-bearing plants (peas or beans or lentils etc.)