noun, masculine/montoˈneɾo/plural: montoneros
montonero is masculine in Spanish.
one who fights in a mob; a member of a group that fought against the military dictatorship in the 1970s
Etymology tree Spanish montón Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish montonero From montón + -ero.