Mo"tor (?), n. [L., fr. movere, motum, to move.]
1.
One who, or that which, imparts motion; a source of mechanical power.
2. (Mach.)
A prime mover; a machine by means of which a source of power, as steam, moving water, electricity, etc., is made available for doing mechanical work.
© Webster 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.
© Webster 1913
Mo"tor, n.
A motor car; an automobile. [Colloq.]
© Webster 1913