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v. cor·ru·gat·ed, cor·ru·gat·ing, cor·ru·gates
To shape into folds or parallel and alternating ridges and grooves.
To become shaped into such folds or ridges and grooves: "Now the immense ocean ... sensed the change. Its surface rippled and corrugated where sweeping cloud shadows touched it" (John Updike).
[Latin corrūgāre, corrūgāt-, to wrinkle up : com-, com- + rūgāre, to wrinkle (from rūga, wrinkle).]
cor′ru·gate′, cor′ru·gat′ed (-gā′tĭd) adj.
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.
(usually tr) to fold or be folded into alternate furrows and ridges
folded into furrows and ridges; wrinkled
[C18: from Latin corrūgāre, from rūga a wrinkle]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cor•ru•gate(v. ˈkɔr əˌgeɪt, ˈkɒr-; adj. -gɪt, -ˌgeɪt)
v. -gat•ed, -gat•ing,
1. to draw or bend into folds or alternate furrows and ridges; wrinkle.v.i.
2. to become corrugated; undergo corrugation.adj.
3. corrugated; wrinkled; furrowed.
[1375–1425; late Middle English < Latin corrūgātus, past participle of corrūgāre=cor- cor- + rūgāre to wrinkle, derivative of rūga crease, wrinkle]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: corrugated
Collins English Verb Tables © HarperCollins Publishers 2011