1. Any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature
   "Children enjoyed stepping on true puffballs to release the spores";
   - true puffball
    
2. Any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles
   "Earthballs are sometimes mistaken for edible puffballs"; "Foragers often mistake hard-skinned puffballs for edible truffles"; "false truffles are sometimes mistaken for edible puffballs";
   - earthball, false truffle, hard-skinned puffball

Derived forms: puffballs

Type of: fungus

Part of: family Lycoperdaceae, genus Scleroderma, Lycoperdaceae, Scleroderma

Encyclopedia: Puffball