indusium indusioid • indus river · · · Info · Definitions · Characters · · indusium · · Text Latin · · Script 8 · · Length 4 · · Syllables Definitions · · · (noun) a membrane enclosing and protecting the developing spores especially that covering the sori of a fern. · · Noun Definition 1 Characters · · d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075