Found 2 items, similar to hypocycloid.
English → English (WordNet) Definition: hypocycloid hypocycloid n : a line generated by a point on a circle that rolls around inside another circle
English → English (gcide) Definition: Hypocycloid Hypocycloid \Hy`po*cy"cloid\, n. [Pref. hypo- + cycloid: cf. F. hypocyclo["i]de.] (Geom.) A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid. [1913 Webster]