the act or power of moving from place to place.

1640–50; see locomotive, motion

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World English Dictionary
locomotion (ˌləʊkəˈməʊʃən)
the act, fact, ability, or power of moving
[C17: from Latin locō from a place, ablative of locus place + motion]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1640s, formed in English from L. loco "from a place" (abl. of locus "place") + motionem (nom. motio) "motion, a moving."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
locomotion   (lō'kə-mō'shən)  Pronunciation Key 
The movement of an organism from one place to another, often by the action of appendages such as flagella, limbs, or wings. In some animals, such as fish, locomotion results from a wavelike series of muscle contractions.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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