Word Study
antheridium
CIDE DICTIONARY
antheridium, n. [Anther + (a Gr. diminutive ending).].
The male reproductive apparatus in the lower plants, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary . [1913 Webster]
OXFORD DICTIONARY
antheridium, n. (pl. antheridia) Bot. the male sex organ of algae, mosses, ferns, etc.
Etymology
mod.L f. anthera (as ANTHER) + Gk -idion dimin. suffix
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