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Rocky Mountains

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plural noun
  1. the chief mountain system in North America, extending from central New Mexico to N Alaska. Highest peak, Mount McKinley, 20,300 feet (6187 meters).
Also called Rockies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rocky mountains

Rocky Mountains

Rockies

pl n
  1. the chief mountain system of W North America, extending from British Columbia to New Mexico: forms the Continental Divide. Highest peak: Mount Elbert, 4399 m (14 431 ft). Mount McKinley (6194 m (20 320 ft)), in the Alaska Range, is not strictly part of the Rocky Mountains
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

rocky mountains in Culture

Rocky Mountains

Major mountain chain of western North America, running from Alaska to Mexico.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.