Actiniaria actinian • actiniarian · · · Info · Definitions · Characters · · Actiniaria · · Text Latin · · Script 10 · · Length Definitions · · · (noun) sea anemones. Synonyms: order Actiniaria, Actinaria, order Actinaria. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074