Yellowstone

American

[yel-oh-stohn] / ˈjɛl oʊˌstoʊn /

noun

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.

Yellowstone British

/ ˈjɛləʊˌstəʊn /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Yellowstone

Her owners traveled back from California to Yellowstone, where they all reunited Wednesday.

From Los Angeles Times ● Oct. 17, 2026

Yellowstone National Park regulations note that “pets may not be left unattended or tied to objects.”

From Los Angeles Times ● Oct. 17, 2026

Meanwhile, Paramount Skydance has Paramount+, which streams the likes of Yellowstone, Parks and Recreation and NCIS.

From BBC ● Oct. 6, 2026

Under federal supervision, the world’s most famous herd, in Yellowstone, was poached from 200 in 1889 to just two dozen by 1902.

From The Wall Street Journal ● Oct. 2, 2026

Superplumes of the type on which Yellowstone sits are rather like martini glasses–thin on the way up, but spreading out as they near the surface to create vast bowls of unstable magma.

From "A Short History of Nearly Everything" by Bill Bryson

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023