Yellowstone

American  

[yel-oh-stohn] / ˈyɛl oʊˌstoʊn /

noun

1. a river flowing from NW Wyoming through Yellowstone Lake and NE through Montana into the Missouri River in W North Dakota. 671 miles (1,080 km) long.

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Yellowstone British  

/ ˈjɛləʊˌstəʊn /

noun

1. a river rising in N Wyoming and flowing north through Yellowstone National Park, then east to the Missouri. Length: 1080 km (671 miles)

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Example Sentences

In Yellowstone National Park, their return has been praised with reducing the overabundant elk population and allowing decimated trees such as willows and aspen to recover, which subsequently brought the return of beavers and songbirds.

From Los Angeles Times • May 16, 2026

It’s about the wolves of Yellowstone and Wyoming and follows different narratives from those who are trying to protect them and those trying to kill them.

From The Wall Street Journal • May 11, 2026

In 2020, she had a recurring role on the Paramount show Yellowstone.

From BBC • May 7, 2026

The research took place in Yellowstone National Park, where wolves were reintroduced in the mid-90s after a 70-year absence.

From Science Daily • Mar. 19, 2026

“Okay, big baby, I’ll tell you, I’ll tell you. They’d been camping sort of by Yellowstone for a week and were supposed to set up at Rock Creek. They even pulled in there that afternoon.”

From "The Miseducation of Cameron Post" by emily m. danforth