[1] : The Collaborative International Dictionary of English v.0.48

gasteromycetes \gas`teromyce"tes\, n. pl. nl., from gr. ?
   stomach + ? a mushroom. bot.
   an order of fungi, in which the spores are borne inside a sac
   called the peridium, as in the puffballs.
   1913 webster

[2] : WordNet (r) 2.0

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
see also:
class gasteromycetes gastromycetes class gastromycetes 

Gasteromycetes >> G Words
Gasteromycetes, definition of term: Gasteromycetes
gasteromycetes_pag1.html