Rocky Mountains

[rok-ee moun-tnz]

plural noun

1. the chief mountain system in North America, extending from central New Mexico to northern Alaska. Highest peak, Denali, 20,300 feet (6,187 meters).

Rocky Mountains

plural noun

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

Rocky Mountains

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

Word History and Origins

Origin of Rocky Mountains¹

First recorded in 1800–05; translation of Canadian French les Montagnes des Roches, from Cree asini˙waciya, plural of asini˙waciy, equivalent to asini˙-, combining form of asiniy “stone, rock” + waciy “mountain,” originally referring to the Canadian Rockies

Related Words

• sierra