Source: The Collaborative International Dictionary of English v.0.48
Motor \Mo"tor\, Motory \Mo"to*ry\, Motorial \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.
[1913 Webster]
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