Frog

It is a depression on the top face of a brick provided to form a key for carries the mortar.

Quoin

The brick or wedge shaped stone used for the corner of walls is called as quoin.

Cornice

It is a projecting ornamental course near the top of a building or at junction of a wall and ceiling.

Throating

These are grooves cut on the under surfaces of a projecting course of masonry to avoid the water from trickling down the walls.

Templates

These are blocks of concrete or stone placed under the end of a beam or girder to distribute the load over a greater area.