/ Dictionary / Index I Irazu: Meaning and Definition of Find definitions for: I•ra•zu Pronunciation: (ē"rä-s'), [key] a volcano in central Costa Rica. 11,200 ft. (3414 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. irate IRB 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