The Collaborative International Dictionary of English v.0.48:
Typology \Ty*pol"o*gy\, n. [Type + -logy.] 1. (Theol.) A discourse or treatise on types. [1913 Webster] 2. (Theol.) The doctrine of types. [1913 Webster]WordNet (r) 3.0 (2006):
typology n 1: classification according to general type