saddle joint

(redirected from articulatio sellaris)
Also found in: Dictionary, Medical, Wikipedia.

saddle joint

saddle joint
1. A stepped joint in a projecting masonry course or in a coping; used to prevent the penetration of water.
2. A vertical joint in sheet-metal roofing; formed by bending up the end of one sheet and folding it downward over the turned-up edge of the adjacent sheet.