Also lo·co·mo·to·ry. of, relating to, or affecting locomotion.


a person or thing that is capable of locomotion.

Origin of locomotor

First recorded in 1815–25; see origin at locomotive, motor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for locomotor

Historical Examples of locomotor

  • He had then felt the symptoms of locomotor ataxia for about six years.

    The Electric Bath

    George M. Schweig

  • I couldn't make him see that it was his personal spine, and the locomotor must be attaxing.

    Yellowstone Nights

    Herbert Quick

  • Oh, he's still got his locomotor ataxia, if that's what you mean.

    The Alternative

    George Barr McCutcheon

  • He suffers from aphasia, and locomotor ataxia has begun to manifest itself.


    James Huneker

  • Walker was lecturing on locomotor ataxia to a wardful of youngsters.

British Dictionary definitions for locomotor



of or relating to locomotion

Word Origin for locomotor

C19: from Latin locō from a place, ablative of locus place + motor (mover)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for locomotor

1822, from Latin loco "from a place" (ablative of locus "place") + motor.

Online Etymology Dictionary, © 2010 Douglas Harper

locomotor in Medicine




Of or relating to movement from one place to another.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.