SG Heritage Dictionary

Quoin [Noun] Webster's Dictionary 1828

1. .

2. A corner.

3. An instrument to raise any thing; a wedge employed to raise cannon to a proper level, and for other purposes.

4. In architecture, the corner of a brick or stone wall.

Quoin [Noun] Webster's Dictionary 1913

1. Originally, a solid exterior angle, as of a building; now, commonly, one of the selected pieces of material by which the corner is marked.

2. A wedgelike piece of stone, wood metal, or other material, used for various purposes

3. to support and steady a stone.

4. To support the breech of a cannon.

5. To wedge or lock up a form within a chase.

6. To prevent casks from rolling.