puffball definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of various round basidiomycetous fungi (esp. order Lycoperdales) that burst at the touch, when mature, and discharge a brown powder
puffball definition by American Heritage Dictionary
- Any of various fungi of the genus Lycoperdon and related genera, having a ball-shaped fruiting body that when pressed or struck releases the enclosed spores in puffs of dust.
- Informal The rounded head of a dandelion that has gone to seed.