1. Block (also called a template or padstone) built into a wall or fixed to the top of a pier on which a beam or truss rests.

2. Kneeler at the lowest point of a gable at the eaves to hold the cope in place and stop it sliding off, also called knee-stone or skew.

3. Short timber across the top of a wall to support a wall-plate or the foot of a common rafter.

4. Any large block carrying a load.