spore case spore ball • spore cell · · · Info · Definitions · Characters · · spore case · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) organ containing or producing spores. Synonyms: sporangium, spore sac. · · Noun Definition 1 (noun) specialized leaf branch in certain aquatic ferns that encloses the sori or clusters of sporangia. Synonyms: sporocarp. · · Noun Definition 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073