/ Dictionary / Index I Iranian Plateau: Meaning and Definition of Find definitions for: Ira'nian Plateau' Pronunciation: [key] a plateau in SW Asia, mostly in Iran, extending from the Tigris to the Indus rivers. 1,000,000 sq. mi. (2,590,000 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Iranian Irapuato Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language