epicycloid epicyclical • epicycloidal · · · Info · Definitions · Characters · · epicycloid · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a line generated by a point on a circle rolling around another circle. · · Noun Definition 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 y latin small letter y U+0079