The Collaborative International Dictionary of English v.0.48:

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.
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   2. A lining placed near the edge of a garment for ornament or
      protection.
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   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.
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   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.
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   5. (Mil.)
      (a) pl. The collar and cuffs of a military coat; --
          commonly of a color different from that of the coat.
      (b) The movement of soldiers by turning on their heels to
          the right, left, or about; -- chiefly in the pl.
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   Facing brick, front or pressed brick.
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