CORDILLERAS
Noun
cordilleras
plural of cordillera
Source: Wiktionary
CORDILLERA
Cor*dil"ler*a (kr-dl"lr-; Sp. kr`d-ly"r), n. Etym: [Sp., fr. OSp.
cordilla, cordiella, dim. of cuerda a rope, string. See Cord.]
(Geol.)
Definition: A mountain ridge or chain.
Note: Cordillera is sometimes applied, in geology, to the system of
mountain chains near the border of a continent; thus, the western
cordillera of North America in the United States includes the Rocky
Mountains, Sierra Nevada, Coast and Cascade ranges.
Source: Webster’s Unabridged Dictionary 1913 Edition