• (a.) Belonging to ecclesiology.
Ec·cle`si·o·log'ic·al adjective Belonging to ecclesiology. 
ecclesiology, ecclesiological, ecclesiologically 1. The branch of theology that is concerned with the nature, constitution, and functions of a church. 2. The study of ecclesiastical architecture and ornamentation. Related religious-word units: church; dei-, div-; fanati-; hiero-; idol-; -olatry; theo-; zelo-.