What is "facing brick"

Facing \Fa"cing\, n.

1. A covering in front, for ornament or other purpose; an exterior covering or sheathing; as, the facing of an earthen slope, sea wall, etc., to strengthen it or to protect or adorn the exposed surface.

2. A lining placed near the edge of a garment for ornament or protection.

3. (Arch.) The finishing of any face of a wall with material different from that of which it is chiefly composed, or the coating or material so used.

4. (Founding) A powdered substance, as charcoal, bituminous coal, etc., applied to the face of a mold, or mixed with the sand that forms it, to give a fine smooth surface to the casting.

5. (Mil.)

   1. pl. The collar and cuffs of a military coat; -- commonly of a color different from that of the coat.

   2. The movement of soldiers by turning on their heels to the right, left, or about; -- chiefly in the pl.

      Facing brick, front or pressed brick.