caduceus caducean • caduciary · · · Info · Definitions · Characters · · caduceus · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an insignia used by the medical profession; modeled after the staff of Hermes. · · Noun Definition 1 Characters · · 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 s latin small letter s U+0073 u latin small letter u U+0075