deferent /ˈdɛfəɹənt/noun 3adjective 2forms 3 noun3 •A duct in the body serving to carry away from, as opposed to an afferent one. •(historical) An imaginary circle surrounding the Earth, in whose periphery either the heavenly body or the centre of the heavenly body's epicycle was supposed to be carried round. •(no longer used) That which carries or conveys.though air be the most favorable deferent of sounds — 1627 adjective2 •Showing deference; deferential. •(no longer used) Serving to carry; bearing.Bodies deferent. — 1627 formsdeferents · more deferent · most deferent