Yellowstone

n. national park in the United States

Yellowstone National Park became the world's first national park on March 1, 1872. Located mostly in the U.S. state of Wyoming, the park extends into Montana and Idaho. The park is known for its wildlife and geothermal features, especially Old Faithful Geyser, one of the most popular areas in the park.
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Noun
1. a tributary of the Missouri River that flows through the Yellowstone National Park
(synonym) Yellowstone River
(hypernym) river
(part-holonym) Wyoming, Equality State, WY

n. Yellowstone, national park in the United States

n. Yellowstone, national park in the United States