sidewinder

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sidewinder

(sīd′wīn′dər)
n.
A small rattlesnake (Crotalus cerastes) of the southwest United States and Mexico that moves by a distinctive lateral looping motion of its body and has a hornlike scaly projection above each eye.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.