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n. pl. ru·gae (-gē′, -gī′) Biology
often rugas A fold, crease, or wrinkle, as in the lining of the stomach.
ru′gate′ (-gāt′) 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.
ru•gate(ˈru geɪt, -gɪt)
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