Found 2 items, similar to Antheridium.
English → English (WordNet) Definition: antheridium antheridium n : the male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers [also: antheridia (pl), andtheridia (pl)]
English → English (gcide) Definition: Antheridium Antheridium \An`ther*id"i*um\, n.; pl. Antheridia. [Anther + ? (a Gr. diminutive ending).] (Bot.) The male reproductive apparatus in the lower plants, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. -- An`ther*id"i*al, a. [1913 Webster]