Source : Webster's Revised Unabridged Dictionary (1913)

Lycoperdon \Ly`co*per"don\, n. [NL., from Gr. ? wolf + ? to
   break wind.] (Bot.)
   A genus of fungi, remarkable for the great quantity of
   spores, forming a fine dust, which is thrown out like smoke
   when the plant is compressed or burst; puffball.

Source : WordNet®

Lycoperdon
     n : genus of fungi whose fruiting body tapers toward a base
         consisting of spongy mycelium [syn: {genus Lycoperdon}]