psoriatic arthritis psoriatic • psoriatiform · · · Info · Definitions · Characters · · psoriatic arthritis · · Text Common · · Latin · · Scripts 19 · · Length 7 · · Syllables Definitions · · · (noun) a form of rheumatoid arthritis usually affecting fingers and toes and associated with psoriasis. Synonyms: psoriatic arthritis. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074