4 definitions found From WordNet (r) 2.0 [wn]: sporangium noun: organ containing or producing spores [syn: {spore case}, {spore sac}] [also: {sporangia} (pl)] From WordNet (r) 2.0 [wn]: sporangia See {sporangium} From The Collaborative International Dictionary of English v.0.44 [gcide]: Sporangium \Spo*ran"gi*um\ (sp[-o]*r[a^]n"j[i^]*[u^]m), noun; pl. {Sporangia} (sp[-o]*r[a^]n"j[i^]*[.a]). [NL., fr. Gr. ? a sowing, seed + ? a receptacle.] (Bot.) A spore case in the cryptogamous plants, as in ferns, etc. From The Collaborative International Dictionary of English v.0.44 [gcide]: Zoosporangium \Zo'["o]*spo*ran"gi*um\, noun; pl. {-sporangia}. [NL. See {Zo["o]-}, and {Sporangium}.] (Bot.) A spore, or conceptacle containing zo["o]spores.

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