D defs.my
Entry 1 sense Webster, 1913

Basidium

· Ba·sid·i·um · IPA /bəˈsɪdɪəm/
01 n. A special oblong or pyriform cell, with slender branches, which bears the spores in that division of fungi called Basidiomycetes, of which …
  1. 1.
    A special oblong or pyriform cell, with slender branches, which bears the spores in that division of fungi called Basidiomycetes, of which the common mushroom is an example.(Bot.)