担たん子し器きたんしきMeanings1nounbasidiumA microscopic, club-shaped structure on which basidiospores are produced; a technical term in mycology.担たん子し器きは担たん子し菌きん類るいの胞ほう子し形けい成せい細さい胞ぼうである。A basidium is a spore-producing cell of basidiomycetes.