Opuntiales Opuntiaceae • opuntioid · · · Info · Definitions · Characters · · Opuntiales · · Text Latin · · Script 10 · · Length Definitions · · · (noun) coextensive with the family Cactaceae: cactuses. Synonyms: order Opuntiales. · · Noun Definition 1 Characters · · O latin capital letter o U+004F a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075