From Longman Dictionary of Contemporary Englishmariachima‧ri‧a‧chi /ˌmæriˈɑːtʃi $ ˌmɑː-/ noun [uncountable] APMa kind of Mexican dance music
Examples from the Corpus
mariachi• Antonio Ramos, a mariachi since he turned 12, has seen the work for mariachis slack off too.• A mariachi band approaches and launches into a lively lament on what it is to be alone and without love.Origin mariachi (1900-2000) Mexican Spanish mariachi, mariache “street singer” 