From Longman Dictionary of Contemporary Englishpuffballpuff‧ball /ˈpʌfbɔːl $ -bɒːl/ noun [countable] HBPa type of round white fungus that bursts to send out its seeds
Examples from the Corpus
puffball• The Sioux disinfected the navels of newborn babies with the powder from a puffball.• The lamps on the motorway glowed like flaming puffballs. 