arma de doble filo

== Spanish == === Alternative forms === arma de dos filos === Etymology === Literally, “double-edged weapon”. === Noun === arma de doble filo f (plural armas de doble filo) Used other than figuratively or idiomatically: see arma,‎ de doble filo. (idiomatic) double-edged sword === Further reading === “arma de doble filo, o arma de dos filos”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025