/ Dictionary / Index Y Yaqui: Meaning and Definition of Find definitions for: Ya•qui Pronunciation: (yä'kē), [key] — pl. -quis, -qui a member of an American Indian people of Sonora, Mexico. the Uto-Aztecan language of the Yaqui. a river in NW Mexico, flowing into the Gulf of California. 420 mi. (676 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yapp yar Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language