water vascular system water-vascular • water violet · · · Info · Definitions · Characters · · water vascular system · · Text Common · · Latin · · Scripts 21 · · Length 7 · · Syllables Definitions · · · (noun) system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration. Synonyms: water vascular system. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D 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 v latin small letter v U+0076 w latin small letter w U+0077 y latin small letter y U+0079