The Collaborative International Dictionary of English v.0.48:

Shingle \Shin"gle\, v. t. [imp. & p. p. Shingled; p. pr. & vb.
   n. Shingling.]
   1. To cover with shingles; as, to shingle a roof.
      [1913 Webster]

            They shingle their houses with it.    --Evelyn.
      [1913 Webster]

   2. To cut, as hair, so that the ends are evenly exposed all
      over the head, as shingles on a roof.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shingling \Shin"gling\, n.
   1. The act of covering with shingles; shingles, collectively;
      a covering made of shingles.
      [1913 Webster]

   2. (Metal) The process of expelling scoriae and other
      impurities by hammering and squeezing, in the production
      of wrought iron.
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   Shingling hammer, a ponderous hammer moved by machinery,
      used in shingling puddled iron.

   Shingling mill, a mill or forge where puddled iron is
      shingled.
      [1913 Webster]

WordNet (r) 3.0 (2006):

shingling
    n 1: (geology) sediment in which flat pebbles are uniformly
         tilted in the same direction
    2: the laying on of shingles; "shingling is a craft very
       different from carpentry"