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epi·cy·cloid | \ ˌe-pə-ˈsī-ˌklȯid 
\
\Definition of epicycloid
: a curve traced by a point on a circle that rolls on the outside of a fixed circle
Illustration of epicycloid
epicycloid E, traced by point P, on circle R, rolling on fixed circle F
Other Words from epicycloid
epicycloidal \ ˌe-pə-sī-ˈklȯi-dᵊl \ adjective
\ adjectiveKeep scrolling for more
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Time Traveler for epicycloid
The first known use of epicycloid was circa 1696
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