Found 2 items, similar to heartbeat.
English → English (WordNet) Definition: heartbeat heartbeat n 1: 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] 2: a very short time (as the time it takes the eye blink or the heart to beat); “if I had the chance I'd do it in a flash” [syn: blink of an eye, flash, instant, jiffy, split second , trice, twinkling, wink, New York minute] 3: an animating or vital unifying force; “New York is the commercial heartbeat of America”
English → English (gcide) Definition: heartbeat heartbeat \heartbeat\ n. the audible and palpable rhythmic contraction and expansion of the arteries with each beat of the heart; as, he listened to her heartbeat with a stethoscope. Syn: pulse, pulsation, beat. [WordNet 1.5] in a heartbeat immediately. [PJC]