arco de san Martín

== Spanish == === Noun === arco de san Martín m (plural arcos de san Martín) (colloquial, Murcia) rainbow === Further reading === “arco de san Martín”, 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