The Collaborative International Dictionary
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.
Wiktionary
a. Of, pertaining to, or produced in, the antheridium
WordNet
adj. relating to or characterized by an antheridium
Usage examples of "antheridial".
The sexual organs are developed in groups at the apices, the antheridial group usually terminating the main axis while the archegonia are borne on a lateral branch.
The sexual organs are developed in groups at the apices, the antheridial group usually terminating the main axis while the archegonia are borne on a lateral branch.