Usually rugae. Biology, Anatomy. a wrinkle, fold, or ridge.
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How to use ruga in a sentence
The earlier reading of "una alterave ruga" was "uno alterove denticulo."
But I think now that camp belonged to the Waruga-ruga (bandits).My Kalulu, Prince, King and Slave | Henry M. Stanley
It was Father ruga, the queen's confessor, who informed her when all was over.Agnes Strickland's Queens of England, Vol. II. (of III) | Rosalie Kaufman
In connection with the divorce of Carvilius ruga, he discusses a widespread conspiracy of Roman wives to poison their husbands.The Trial of Jesus from a Lawyer's Standpoint, Vol. II (of II) | Walter M. Chandler
Carvilius ruga, the name of the first Roman to procure a divorce, has been handed down to us.The Trial of Jesus from a Lawyer's Standpoint, Vol. II (of II) | Walter M. Chandler
British Dictionary definitions for ruga
(usually plural) anatomy a fold, wrinkle, or crease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012