tro·pol·o·gy 
(trō-pŏlə-jē)
(trō-pŏlə-jē)n. pl. tro·pol·o·gies
1. The use of tropes in speech or writing.
2. A mode of biblical interpretation insisting on the morally edifying sense of tropes in the Scriptures.
[Late Latin tropologia, from Late Greek tropologiā : Greek tropos, trope; see TROPE + Greek -logiā, -logy.]
tro′po·logic (trō′pə-lŏjĭk, trŏp′ə-), tro′po·logi·cal (-ĭ-kəl) adj.
tro′po·logi·cal·ly adv.