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corrugator

 - 4 dictionary results

cor⋅ru⋅gate

[v. kawr-uh-geyt, kor-; adj. kawr-uh-git, -geyt, kor-] verb, -gat⋅ed, -gat⋅ing, adjective
–verb (used with object)
1. to draw or bend into folds or alternate furrows and ridges.
2. to wrinkle, as the skin or face.
3. Western U.S. to make irrigation ditches in (a field).
–verb (used without object)
4. to become corrugated; undergo corrugation.
–adjective
5. corrugated; wrinkled; furrowed.

Origin:
1375–1425; late ME < L corrūgātus ptp. of corrūgāre, equiv. to cor- cor- + rūg(āre) to wrinkle + -ātus -ate 1


cor⋅ru⋅gat⋅ed, adjective
cor⋅ru⋅ga⋅tor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

corrugate 
1528 (implied in corrugation), from L. corrugatus, pp. of corrugare "to wrinkle," from com- intens. prefix + rugare "to wrinkle."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: cor·ru·ga·tor
Pronunciation: 'kor-&-"gAt-&r
Function: noun
: a muscle that contracts the skin into wrinkles;especially : one that draws the eyebrows together and wrinkles the brow in frowning
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

corrugator cor·ru·ga·tor (kôr'ə-gā'tər)
n.
A muscle that draws the skin together, causing it to wrinkle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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