(n) any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles, Syn.hard-skinned puffball, puffball, false truffle
n. any of various fungi of the genus Scleroderma having hard-skinned subterranean trufflelike fruiting bodies. Syn. -- earth-ball, false truffle. [ WordNet 1.5 ]