basidia

/B AH0 S IH1 D IY0 AH0/
noun
  1. 1

    A small structure, shaped like a club, found in the Basidiomycota division of fungi, that bears four spores at the tips of small projections.

Source: https://en.wiktionary.org/wiki/basidia, https://en.wiktionary.org/wiki/basidium