/ Dictionary / Index O ouguiya: Meaning and Definition of Find definitions for: ou•gui•ya Pronunciation: (-gē'yu), [key] — pl. -ya, -yas. a cupronickel-aluminum coin, paper money, and monetary unit of Mauritania, equal to five khoums. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ouguiya (Thesaurus) oughtn't oui* Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language