1. Two-storeyed church, i.e. with a church on each storey, as in the Romanesque Church of Schwarz-Rheindorf, Rhineland, Germany (C12).
2. Church with two distinct naves joined together at a centre point, as at the L-shaped Lutheran Church, Freudenstadt, Germany (1601–8).
"double church." A Dictionary of Architecture and Landscape Architecture. . Encyclopedia.com. (August 18, 2018). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/double-church
"double church." A Dictionary of Architecture and Landscape Architecture. . Retrieved August 18, 2018 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/double-church