Puffball \Puff"ball`\, n. (Bot.)
   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}.
   
[1913 Webster]

Bullfist \Bull"fist\, Bullfice \Bull"fice\, n. [Cf. G. bofist,
   AS. wulfes fist puffball, E. fizz, foist.] (Bot.)
   A kind of fungus. See {Puffball}.
   
[1913 Webster]
 Bull fly