Cordilleran

[kawr-dl-yair-uh, -air-uh, kawr-dil-er-uh] /ˌkɔr dlˈyɛər ə, -ˈɛər ə, kɔrˈdɪl ər ə/

noun
1.
a chain of mountains, usually the principal mountain system or mountain axis of a large landmass.
[kawr-dl-yair-uh z, -air-, kawr-dil-er-uh z; Spanish kawr-th ee-ye-rahs for 1] /ˌkɔr dlˈyɛər əz, -ˈɛər-, kɔrˈdɪl ər əz; Spanish ˌkɔr ðiˈyɛ rɑs for 1/
noun
1.
a mountain system in W South America: the Andes and its component ranges.
2.
a mountain system in W North America, including the Sierra Nevada, Coast Range, Cascade Range, and Rocky Mountains.
3.
the entire chain of mountain ranges parallel to the Pacific coast, extending from Cape Horn to Alaska.
/ˌkɔːdɪlˈjɛərə/
noun
1.
a series of parallel ranges of mountains, esp in the northwestern US
/ˌkɔːdɪlˈjɛərəz; Spanish korðiˈʎeras/
plural noun
1.
the Cordilleras, the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
n.

1704, from Spanish, “mountain chain,” from cordilla, in Old Spanish “string, rope,” diminutive of cuerda, from Latin chorda “cord, rope” (see cord).
cordillera
(kôr’dl-yâr’ə)
A long and wide chain of mountains, especially the main mountain range of a large landmass. Cordilleras can include the valleys, basins, rivers, lakes, plains, and plateaus between parallel chains of a single mountain system, or they can consist solely of a string of connected mountain peaks.