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locomotion

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.09 sec.

locomotion

Any of various animal movements that result in progression from one place to another. Locomotion is classified as either appendicular (accomplished by special appendages) or axial (achieved by changing the body shape). Aquatic protozoans move by ciliary or flagellar appendages or by pseudopods, footlike appendages. Other forms of aquatic locomotion include walking on legs (some arthropods), crawling (by contracting the body muscles, anchoring to the substrate, and extending), and swimming by either hydraulic propulsion (e.g., jellyfish) or undulation (fishes). Terrestrial arthropods and vertebrates move by means of jointed appendages, the legs. Snakes and other limbless vertebrates crawl by means of muscular thrusts against the substrate. Flight is achieved by the forward thrust of wings.



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? Mentioned in ? References in classic literature
 
The mode of locomotion is, of course, purely imaginary, and the incidents and adventures fictitious.
Will this means of locomotion allow us to visit those suns which swarm in the firmament?
The facts relating to this apparition (entered in various log-books) agreed in most respects as to the shape of the object or creature in question, the untiring rapidity of its movements, its surprising power of locomotion, and the peculiar life with which it seemed endowed.
 
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