An efferent nerve conveying an impulse that excites muscular contraction.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for motor nerve
Historical Examples of motor nerve
Through repeated performance the muscles, or rather the motor-nerve centers, become habituated to complex activities.The Psychology of Singing
David C. Taylor