[the.ol.o.gy] n, pl -gies [ME theologie, fr. L theologia, fr. Gk, fr. the- + -logia -logy] (14c) 1: the study of religious faith, practice, and experience; esp: the study of God and of God's relation to the world
2. a: a theological theory or system "Thomist ~" "a ~ of atonement" b: a distinctive body of theological opinion "Catholic ~"
3: a usu. 4-year course of specialized religious training in a Roman Catholic major seminary