Throbbing - Definition

adj 1: pounding or beating strongly or violently; "a throbbing
pain"; "the throbbing engine of the boat"
n 1: an instance of rapid strong pulsation (of the heart); "he
felt a throbbing in his head" [syn: throb, throbbing,
pounding]
2: a sound with a strong rhythmic beat; "the throbbing of the
engines"