cycloid cyclohexyl • cycloidal · · · Info · Definitions · Synonyms · Characters · · cycloid · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a line generated by a point on a circle rolling along a straight line. · · Noun Definition 1 (adj) resembling a circle. Synonyms: cycloidal. · · Adjective Definition 1 Synonyms · · · cycloidal · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F y latin small letter y U+0079