noun
- A national park in Arizona including the mile deep canyon of the Colorado River which shows geologic features and fossil plants and animals. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). grand canyon national park. Retrieved September 30, 2026, from http://smartdefine.org/grand_canyon_national_park/definitions/1224360 |
| Chicago | WordNet. 2010. "grand canyon national park" http://smartdefine.org/grand_canyon_national_park/definitions/1224360 (accessed September 30, 2026). |
| Harvard | WordNet 2010, grand canyon national park, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/grand_canyon_national_park/definitions/1224360>. |
| MLA | WordNet. "grand canyon national park" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/grand_canyon_national_park/definitions/1224360> |