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Rainier

American

[ruh-neer, rey-, rey-neer] / rəˈnɪər, reɪ-, ˈreɪ nɪər /

noun

Mount, a volcanic peak in W Washington, in the Cascade Range. 14,408 feet (4,392 meters).

Rainier British

/ ˈreɪnɪə, rə-, reɪˈnɪə /

noun

a mountain in W Washington State: the highest mountain in the state and in the Cascade Range. Height: 4392 m (14 410 ft)

"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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Records show Booker took part in at least two other strongwoman competitions this year - winning the Rainier Classic in June and finishing second at North America's Strongest Woman in July.

From BBC • Nov. 26, 2025

Its largest competitor, Amazon.com, recently opened a hub of seven data center buildings as part of its Project Rainier.

From The Wall Street Journal • Nov. 12, 2025

Data-center projects like Meta’s Hyperion or Amazon’s Project Rainier come with price tags in the tens of billions of dollars.

From MarketWatch • Nov. 8, 2025

Amazon completed Project Rainier, an AI infrastructure project powered by nearly 500,000 Trainium 2 chips, described as the world’s most powerful AI computer.

From Barron's • Oct. 29, 2025

I’d lied to Wesley; I didn’t have anything close to the gear you needed to climb a mountain like Rainier.

From "The Honest Truth" by Dan Gemeinhart

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