water on the knee water of hydration • water orchid · · · Info · Definitions · Characters · · water on the knee · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) hydrarthrosis affecting the knee. Synonyms: water on the knee. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077