- a chain of mountains in the US and Canada: a continuation of the Sierra Nevada range from N California through Oregon and Washington to British Columbia. Highest peak: Mount Rainier, 4392 m (14 408 ft)
WordReference Random House Unabridged Dictionary of American English © 2020
Place Namesa mountain range extending from N California to W Canada: highest peak, Mt. Rainier, 14,408 ft. (4322 m). Also called the Cascades.
Collins Concise English Dictionary © HarperCollins Publishers::
Cascade Range n
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