noun. a natural or faux gadget which assists in establishing and preserving specific biological rhythms.

PACEMAKER: "Aaron had to have a pacemaker put in his chest when he was only 29 in order to regulate his arrhythmia."
Cite this page: Nugent, Pam M.S., "PACEMAKER," in, April 7, 2013, (accessed November 21, 2017).