1 (plural norteños /-ɒs/) an inhabitant or native of northern Mexico.
2 (also norteña /nɔːˈtɛnjə/) [mass noun] a style of folk music, associated particularly with northern Mexico and Texas, typically featuring an accordion and using polkas and other rhythms found in the music of central European immigrants.
Origin:
Spanish, literally 'northerner'
norteño in other Oxford dictionaries
Definition of norteño in the US English dictionary