(n)any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles, Syn.false truffle, puffball, hard-skinned puffball
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. (Bot.) A kind of ball-shaped fungus (Lycoperdon giganteum, and other species of the same genus) full of dustlike spores when ripe; -- called also bullfist, bullfice, puckfist, puff, and puffin. [ 1913 Webster ]