Breadcrumb Home > Dictionary > Index G Grand Canyon: Meaning and Definition of Find definitions for: Grand' Can'yon Pronunciation: [key] a gorge of the Colorado River in N Arizona. over 200 mi. (320 km) long; 1 mi. (1.6 km) deep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Grand Canary Grand Canyon National Park ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language