Noun Definition
heartbeat
1.Definition: a very short time (as the time it takes the eye to blink or the heart to beat)
Related Noun(s):flash, instant, jiffy, trice, twinkling, wink
Category: General2.Definition: an animating or vital unifying force
"New York is the commercial heartbeat of America"
Category: General3.Definition: the rhythmic contraction and expansion of the arteries with each beat of the heart
Category: General