Definition of epicyclical in English:

epicyclical

adjective

  • Designating a celestial object which moves around a point which in turn follows a circular orbit around another body or point in space; of, relating to, or involving such an object or its motion.

Origin

Early 17th century; earliest use found in Barten Holyday (1593–1661), Church of England clergyman and poet. From post-classical Latin epicyclicus + -al.

Pronunciation

epicyclical

/ˌɛpɪˈsʌɪklɪkl//ˌɛpɪˈsɪklɪkl/