Gas·te·ro·my·ce·tes n. pl.  Bot. An order of fungi, in which the spores are borne inside a sac called the peridium, as in the puffballs.
  ◄ ►
  Gasteromycetes
       n : fungi in which the hymenium is enclosed until after spores
           have matured: puffballs; earth stars; stinkhorn fungi
           [syn: class Gasteromycetes, Gastromycetes, class
           Gastromycetes]