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.
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   2. To cut, as hair, so that the ends are evenly exposed all
      over the head, as shingles on a roof.
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The Collaborative International Dictionary of English v.0.48:

Shingle \Shin"gle\, v. t.
   To subject to the process of shindling, as a mass of iron
   from the pudding furnace.
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The Collaborative International Dictionary of English v.0.48:

Shingle \Shin"gle\, n. [Prob. from Norw. singl, singling, coarse
   gravel, small round stones.] (Geol.)
   Round, water-worn, and loose gravel and pebbles, or a
   collection of roundish stones, such as are common on the
   seashore and elsewhere.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shingle \Shin"gle\, n. [OE. shingle, shindle, fr. L. scindula,
   scandula; cf. scindere to cleave, to split, E. shed, v. t.,
   Gr. ???, ???, shingle, ??? to slit.]
   1. A piece of wood sawed or rived thin and small, with one
      end thinner than the other, -- used in covering buildings,
      especially roofs, the thick ends of one row overlapping
      the thin ends of the row below.
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            I reached St. Asaph, . . . where there is a very
            poor cathedral church covered with shingles or
            tiles.                                --Ray.
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   2. A sign for an office or a shop; as, to hang out one's
      shingle. [Jocose, U. S.]
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   Shingle oak (Bot.), a kind of oak (Quercus imbricaria)
      used in the Western States for making shingles.
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WordNet (r) 3.0 (2006):

shingle
    n 1: building material used as siding or roofing [syn:
         shingle, shake]
    2: coarse beach gravel of small waterworn stones and pebbles (or
       a stretch of shore covered with such gravel)
    3: a small signboard outside the office of a lawyer or doctor,
       e.g.
    v 1: cover with shingles; "shingle a roof"