'Sporangium' definitions:

Definition of 'sporangium'

From: WordNet
noun
Organ containing or producing spores [syn: sporangium, spore case, spore sac]

Definition of 'Sporangium'

From: GCIDE
  • Sporangium \Spo*ran"gi*um\ (sp[-o]*r[a^]n"j[i^]*[u^]m), n.; 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. [1913 Webster]