Archiannelida Arches court • Archibald · · · Info · Definitions · Characters · · Archiannelida · · Text Latin · · Script 13 · · Length 6 · · Syllables Definitions · · · (noun) a class of Annelida. Synonyms: class Archiannelida. · · 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 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072