擔子
Basidium \Ba*sid"i*um\, n. [NL., dim. of Gr. ? base.] (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.
basidium n : a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes [also: {basidia} (pl)]