Architeuthis Architectonica • Archive · · · Info · Definitions · Synonyms · Characters · · Architeuthis · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) largest mollusk known about but never seen (to 60 feet long). Synonyms: architeuthis, giant squid. · · Noun Definition 1 Synonyms · · · giant squid · · Synonym 1 Characters · · A latin capital letter a U+0041 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 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