The Collaborative International Dictionary of English v.0.48:

Tile \Tile\, n. [OE. tile, tigel, AS. tigel, tigol, fr. L.
   tegula, from tegere to cover. See Thatch, and cf.
   Tegular.]
   1. A plate, or thin piece, of baked clay, used for covering
      the roofs of buildings, for floors, for drains, and often
      for ornamental mantel works.
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   2. (Arch.)
      (a) A small slab of marble or other material used for
          flooring.
      (b) A plate of metal used for roofing.
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   3. (Metal.) A small, flat piece of dried earth or
      earthenware, used to cover vessels in which metals are
      fused.
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   4. A draintile.
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   5. A stiff hat. [Colloq.] --Dickens.
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   Tile drain, a drain made of tiles.

   Tile earth, a species of strong, clayey earth; stiff and
      stubborn land. [Prov. Eng.]

   Tile kiln, a kiln in which tiles are burnt; a tilery.

   Tile ore (Min.), an earthy variety of cuprite.

   Tile red, light red like the color of tiles or bricks.

   Tile tea, a kind of hard, flat brick tea. See Brick tea,
      under Brick.
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