Grand Canyon

geographical name

Definition of Grand Canyon

gorge of the Colorado River in northwestern Arizona extending from the mouth of the Little Colorado west to the Grand Wash Cliffs; over 1 mile (1.6 kilometers) deep; area largely within Grand Canyon National Park — see marble canyon

Learn More about grand canyon


Seen and Heard

What made you want to look up Grand Canyon? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!