A puffball is a round fungus which bursts when it is ripe and sends a cloud of seeds into the air. a type of round white fungus that bursts to send out its seeds. Any of various fungi (see fungus) in the order Lycoperdales of the class Basidiomycetes, found in soil or on decaying wood in grassy areas and woods. Puffballs are named for the fact that puffs of spores are released when the dry and powdery tissues of the mature spherical fruiting body (basidiocarp) are disturbed. Many are edible before maturity
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
any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature