Bible Dictionaries
Hypocycloid

Webster's Dictionary

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Hypocycloid'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​h/hypocycloid.html. 1828.