noun Cell Biology, Physiology.
a motor neuron and the muscle fibers innervated by its axon.
Words nearby motor unit
Origin of motor unit
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for motor unit
The upshot of it was that somebody reported him, and the officer in command of his "motor-unit" read him a stern lecture.
He wrote a letter to the officer in command of his motor-unit, telling what had happened to him, and couldn't it be arranged?
Medicine definitions for motor unit
A single somatic motor neuron and the group of muscle fibers innervated by it.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.