( n. )
An imaginary circle surrounding the earth, in whose periphery either the heavenly body or the center of the heavenly body's epicycle was supposed to be carried round.
( n. )
An imaginary circle surrounding the earth, in whose periphery either the heavenly body or the center of the heavenly body's epicycle was supposed to be carried round.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012