the world > relative properties > number > geometry > curve > [adjective] > generated by revolution of point (5)
Geometry, etc. Of, pertaining to, or of the form of a cycloid.
Designating a curve, or part of a curve, described by a point on the circumference of a circle as it both revolves around its centre and moves along…
Geometry. Having the form or nature of a trochoid; pertaining or relating to trochoids: see trochoid, n. 1.
of the nature or form of a hypocycloid.