mantelletta
noun
man·tel·let·ta
ˌmantᵊlˈetə
plural -s
: a knee-length outer garment that is sleeveless but has armholes, is open in the front but fastened at the neck, and is worn by cardinals, bishops, and other high prelates of the Roman Catholic Church
Word History
Etymology
Italian, probably modification of Medieval Latin mantelletum, diminutive of Latin mantellum cloak, mantle