Found 1 items, similar to in a heartbeat.
English → English (gcide) Definition: in a 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]