supinator

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su·pi·na·tor

 (so͞o′pə-nā′tər)
n.
A muscle, especially in the forearm, that effects or assists supination.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

supinator

(ˈsuːpɪˌneɪtə; ˈsjuː-)
n
(Anatomy) anatomy the muscle of the forearm that can produce the motion of supination
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

su•pi•na•tor

(ˈsu pəˌneɪ tər)

n.
a muscle in the forearm that rotates the radius outward.
[1605–15; < New Latin; see supinate, -tor]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.supinator - a muscle (especially in the forearm) that produces or assists in supinationsupinator - a muscle (especially in the forearm) that produces or assists in supination
muscle, musculus - one of the contractile organs of the body
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