Grand Canyon
geographical name
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
Cite this Entry
“Grand Canyon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Grand%20Canyon. Accessed 30 Nov. 2025.
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