Found 2 items, similar to pacemaker.
English → English (WordNet) Definition: pacemaker pacemaker n 1: a leading instance in its field; “the new policy will be a pacesetter in community relations” [syn: pacesetter] 2: a specialized bit of heart tissue that controls the heartbeat [syn: cardiac pacemaker, sinoatrial node, SA node ] 3: an implanted electronic device that takes over the function of the natural cardiac pacemaker [syn: artificial pacemaker ] 4: a horse used to set the pace in racing [syn: pacer, pacesetter]
English → English (gcide) Definition: pacemaker pacemaker \pacemaker\ n. (Physiol. & Anat.) 1. a specialized bit of heart tissue that controls the heartbeat. Syn: cardiac pacemaker, sinoatrial node. [WordNet 1.5] 2. An implanted electronic device that takes over the function of the natural cardiac pacemaker[1]; -- used to assist people whose heartbeat is irregular. Syn: artificial pacemaker. [WordNet 1.5] 3. A horse used to set the pace in racing. Syn: pacer, pacesetter. [WordNet 1.5]