Meaning : A very short time (as the time it takes the eye to blink or the heart to beat).
Example :
If I had the chance I'd do it in a flash.
Synonyms : blink of an eye, flash, instant, jiffy, new york minute, split second, trice, twinkling, wink
Meaning : An animating or vital unifying force.
Example :
New York is the commercial heartbeat of America.
Heartbeat ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Heartbeat ka matlab kya hota hai?