-(ˌ)nōˌgaˈstrāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Hymenogastr-, Hymenogaster, type genus (from hymen- + -gaster ) + -aceae
: a family of basidiomycetous fungi of the order Hymenogastrales forming subterranean irregularly globose sporophores — see false truffle , rhizopogon