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basidium ba·sid·i·um (bə-sĭd'ē-əm)
n. pl. ba·sid·i·a (-ē-ə)
A small club-shaped structure typically bearing four spores at the tips of minute projections, unique to Basidiomycetes and used as a distinguishing characterisitic.
|basidium (bə-sĭd'ē-əm) Pronunciation Key
A small, specialized, club-shaped structure typically bearing four basidiospores at the tips of minute projections in the fungi known as basidiomycetes. The basidium is unique to basidiomycetes and distinguishes them from other kinds of fungi.
in fungi (kingdom Fungi), the organ in the members of the phylum Basidiomycota (q.v.) that bears sexually reproduced bodies called basidiospores. The basidium serves as the site of karyogamy and meiosis, functions by which sex cells fuse, exchange nuclear material, and divide to reproduce basidiospores.
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