a. [f. Andes name of the principal mountain range of S. America + -AN.] Of, pertaining to, or resembling the Andes.
1839. Bailey, Festus (1848), 39/1. Some Andean chain Of shadowy rolling mountains, based on air.
1861. L. Noble, After Icebergs, 69. Sketched the surrounding scenery for the sake of comparison with some of his Andean pencillings.