heartbeat   (TTS Sound)

The noun heartbeat has 3 senses

• pulse, 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")


• blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute -- (a very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash")


• heartbeat -- (an animating or vital unifying force; "New York is the commercial heartbeat of America")