Of or pertaining to a traditional form of Mexican music, either sung or purely instrumental.
Of or pertaining to a band playing such music, or to the singers of such songs.
noun
A traditional form of Mexican music, either sung or purely instrumental.
A group that plays mariachi music.
2004, "Mariachi," entry in Cordelia Candelaria, Peter J. García, Arturo J. Aldama (editors), Encyclopedia of Latino Popular Culture, Volume 2, page 520,
Today Plaza Garibaldi near the center of Mexico City is considered the home of mariachis, where mariachi musicians congregate in the plaza, waiting for patrons and tourists to audition them and invite them to perform. […] Mariachi Vargas de Tecalitlán has been considered the premier Mexican mariachi for nearly a century.