Hypertext Webster Gateway: "antheridia"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Antheridium \An`ther*id"i*um\, n.; pl. {Antheridia}. [Anther + ?
(a Gr. diminutive ending).] (Bot.)
The male reproductive apparatus in the lower, consisting of a
cell or other cavity in which spermatozoids are produced; --
called also {spermary}. -- {An`ther*id"i*al}, a.
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