Rainier

American  

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

noun

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

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Rainier British  

/ ˈreɪnɪə, rə-, reɪˈnɪə /

noun

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

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Example Sentences

See Examples For:

Rainier

This gave her the opportunity to perform throughout Europe, South America, North Africa and even during inauguration events for Prince Rainier III of Monaco.

From Los Angeles Times ● Jun. 29, 2026

In October, Amazon opened one of the largest AI data centers for Anthropic in Indiana called Project Rainier, which is powered by half-a-million Trainium 2 chips.

From The Wall Street Journal ● Apr. 20, 2026

Amazon’s cloud business did score wins this year: it brought its data-center initiative Project Rainier online, secured a $38 billion deal with OpenAI and released its latest Trainium3 custom chip.

From MarketWatch ● Dec. 30, 2025

“Project Rainier was built exclusively for Anthropic, but we believe AWS could replicate the architecture for Trn3 to serve other large customers if it can gain adequate access to power,” J.P.

From Barron's ● Dec. 2, 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