• (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. • (a.) Serving to carry; bearing. • (n.) That which carries or conveys. Found on http://thinkexist.com/dictionary/meaning/deferent/
(from the article `Copernicus, Nicolaus`) ...by postulating three mechanisms: uniformly revolving, off-centre circles called eccentrics; epicycles, little circles whose centres moved ... ...model explained the observed phenomenon of planets retrograding when at perigee. Ptolemy enhanced the effect of eccentricity by making the ... [2... Found on http://www.britannica.com/eb/a-z/d/24
Def'er·ent adjective [ Latin deferens , present participle of deferre . See 3d Defer .] Serving to carry; bearing. [ R.] 'Bodies deferent .' Bacon. Found on http://www.encyclo.co.uk/webster/D/23
Def'er·ent noun 1. That which carries or conveys. « Though air be the most favorable deferent of sounds.» Bacon. 2. (Ptolemaic Astron.) An imaginary circle surrounding the earth, in whose periphery either the heavenly body or the center of the heaven... Found on http://www.encyclo.co.uk/webster/D/23