WordNet (r) 3.0 (2006):

Phycomycetes group
    n 1: a large and probably unnatural group of fungi and
         funguslike organisms comprising the Mastigomycota
         (including the Oomycetes) and Zygomycota subdivisions of
         the division Eumycota; a category not used in all systems
         [syn: Phycomycetes, Phycomycetes group]