capillary vessel capillary vein • capillary water · · · Info · Definitions · Synonyms · Characters · · capillary vessel · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) any of the minute blood vessels connecting arterioles with venules. Synonyms: capillary, capillary vessel. · · Noun Definition 1 Synonyms · · · capillary · · Synonym 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 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076 y latin small letter y U+0079