mariachi

adj

1. (not-comparable)Of or pertaining to a traditional form of Mexican music, either sung or purely instrumental.
2. (not-comparable)Of or pertaining to a band playing such music, or to the singers of such songs.

noun

1. A traditional form of Mexican music, either sung or purely instrumental.
2. A group that plays mariachi music.

   “At her first performance with an all-male mariachi, the oldest member said to the musical director,[…](No! I've never played with a woman; I'm not going to start now [my translation]).”

   “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.”

3. A member of such a group.

   “The mariachis would serenade / and they would not shut up till they were paid.”