the rhythmic contraction and expansion of the arteries with each beat of the heart; he could feel the beat of her heart

[ Syn: pulse , pulsation , beat ]

a very short time (as the time it takes the eye to blink or the heart to beat); if I had the chance Id do it in a flash

[ Syn: blink of an eye , flash , instant , jiffy , split second , trice , twinkling , wink , new york minute ]

an animating or vital unifying force; New York is the commercial heartbeat of America'