porcini UK /pɔːˈtʃiː.ni/US /pɔːɹˈt͡ʃiː.ni/ noun1 •An edible mushroom (Boletus edulis), prized for its flavor.Robbie, on the other hand, on his first trip out with Clara's brother Licio, gathered twenty-three porcini (more than his guide) — 1994 formsporcinis