geastrum geastraceae • geastrum coronatum · · · Info · Definitions · Characters · · geastrum · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) type genus of Geastraceae; fungi whose outer peridium when dry splits into starlike segments. Synonyms: Geastrum, genus Geastrum. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075