puffball

Any of various fungi chiefly of the family Lycoperdaceae, having a ball-shaped fruiting body that when pressed or struck releases clouds of small spores.

The rounded head of a dandelion that has gone to seed.

Any one of various gasteromycetous fungi, especially of the genus Lycoperdon: so called from their habit of puffing or suddenly discharging a cloud of spores when they are shaken or squeezed after the chamber in which the spores develop breaks open.

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 that produce a cloud of brown dust-like spores from their mature fruiting bodies.