/beuh sid'ee oh muy"seet, -muy seet"/ , n.
Mycol. any of a group of fungi constituting the phylum Basidiomycota of the kingdom Fungi (or, in older classification schemes, the class Basidiomycetes of the kingdom Plantae), characterized by bearing the spores on a basidium, including the smuts, rust, mushrooms, and puffballs.
[ 1895-1900; Basidiomycetes; see BASIDIUM, -O-, -MYCETE ]