closed curve closed couplet • closed fracture · · · Info · Definitions · Characters · · closed curve · · Text Common · · Latin · · Scripts 12 · · Length 2 · · Syllables Definitions · · · (noun) a curve (such as a circle) having no endpoints. Synonyms: closed curve. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076