| Noun | 1. | Scleroderma aurantium - an earthball fungus that is a dingy brownish yellow and a dark purplish interior; the peridium is covered with a pattern of small wartsgenus Scleroderma, Scleroderma - genus of poisonous fungi having hard-skinned fruiting bodies: false truffles earthball, hard-skinned puffball, puffball, false truffle - any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles |