ruga
ru·ga
noun \ˈrü-gə\ plural ru·gae\-ˌgī, -ˌgē, -ˌjē\
Definition of RUGA
: an anatomical fold or wrinkle (as of the gastric mucous membranes) —usually used in plural
Origin of RUGA
New Latin, from Latin, wrinkle — more at corrugate
First Known Use: 1775
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