The Collaborative International Dictionary of English v.0.48:
Exegesis \Ex`e*ge"sis\, n.; pl. Exegeses. [NL., fr.Gr. ?,fr. ? to explain, interpret; ? out + ? to guide, lead, akin, to ? to lead. See Agent.] 1. Exposition; explanation; especially, a critical explanation of a text or portion of Scripture. [1913 Webster] 2. (Math.) The process of finding the roots of an equation. [Obs.] [1913 Webster]