ba·sid·i·um /bəˈsɪdiəm/
  擔子
  ba·sid·i·um /bəˈsɪdɪəm/ 名詞
  擔子
  Ba·sid·i·um n.  Bot. 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.
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  basidium
       n : a small club-shaped structure typically bearing four
           basidiospores at the ends of minute projections; unique
           to basidiomycetes
       [also: basidia (pl)]