F

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

 - (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.

 - (Founding) A powdered substance, as charcoal, or bituminous coal applied to the face of a mold, or mixed with the sand ...