ruga
[roo-guh]
noun, plural ru·gae [roo-jee, -gee] /ˈru dʒi, -gi/.
Usually rugae. Biology, Anatomy. a wrinkle, fold, or ridge.
Origin of ruga
First recorded in 1765–75, ruga is from the Latin word rūga
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
ruga
noun plural -gae (-dʒiː)
Word Origin for ruga
C18: Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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ruga
[rōō′gə]
n. pl. ru•gae (-gē′, -gī′)
The American Heritage® Stedman's Medical Dictionary
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