Transept
/ˈtrænsept/
Definition 1 of 1
Pro Tip 1/3Church Architecture
Understand that 'transept' relates specifically to the cross-shaped layout of many churches. 
In the cathedral, the transept allows congregants to form a closer, cross-shaped gathering.
Pro Tip 2/3Location Specific
Remember that a transept is part of a building, therefore it is a physical place inside a church. 
The choir performed in the north transept, their voices echoing through the arches.
Pro Tip 3/3Describing Features
Use 'transept' when describing special features or events occurring in that area of a church. 
The wedding will take place in the transept, underneath the rose window.