1. : a small, strolling, Mexican band consisting usually of trumpeters, guitarists, and violinists. also : a musician belonging to such a band. often used before another noun. 2.

Mariachi is a traditional Mexican music and a fundamental element of Mexican culture. Traditional Mariachi groups, made up of two or more members, wear regional costumes adapted from the charro costume and interpret a broad repertoire of songs on stringed instruments.