Dictionary entry

Motor (2)

Webster's Dictionary 1913

{ Mo″tor (?), Mo″to‐ry (?), Mo‐to″ri‐al (?), } a. [L. motorius that has motion. See Motor, n.] Causing or setting up motion; pertaining to organs of motion; — applied especially in physiology to those nerves or nerve fibers which only convey impressions from a nerve center to muscles, thereby causing motion.