shear joint

shear joint

[′shir ‚jȯint] (geology) A joint that is a shear fracture; it is a potential plane of shear. Also known as slip joint.

lap joint

lap joint, 2 1. A joint in which one board, plank, metal plate, etc., overlaps the edge of another piece; the overlapping part of each member is cut away to half thickness, resulting in flush surfaces. 2. A joint formed by placing one piece partly over another and uniting the overlapped portions.