ˈrīzəpəs noun
Usage: capitalized
Etymology: New Latin, from rhiz- + -pus
: a genus of fungi (family Mucoraceae) that have columellate hemispherical aerial sporangia formed in fascicles anchored to the substrate and tufts of rhizoids or root hyphae connected by stolons — see bread mold , leak II 3, ring rot ; compare mucor , soft rot