What is "earthball"

earthball \earth"ball`\ n. any of various fungi of the genus Scleroderma having hard-skinned subterranean trufflelike fruiting bodies.

Syn: earth-ball, false truffle.

n. any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles [syn: false truffle, puffball, hard-skinned puffball]