Antheridia
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]

The Collaborative International Dictionary of English. 2000.

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