Noun puffball has 2 senses
  1. puffball, true puffball - any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature
    --1 is a kind of fungus
    --1 is a member of Lycoperdaceae, family Lycoperdaceae
    --1 has particulars: giant puffball, Calvatia gigantea
  2. earthball, false truffle, puffball, hard-skinned puffball - any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles
    --2 is a kind of fungus
    --2 is a member of Scleroderma, genus Scleroderma
    --2 has particulars:
     Scleroderma citrinum, Scleroderma aurantium; Scleroderma flavidium, star earthball; Scleroderma bovista, smooth earthball
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