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:

Shingle \Shin"gle\, v. t.
   To subject to the process of shindling, as a mass of iron
   from the pudding furnace.
   [1913 Webster]

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.
      [1913 Webster]

            I reached St. Asaph, . . . where there is a very
            poor cathedral church covered with shingles or
            tiles.                                --Ray.
      [1913 Webster]

   2. A sign for an office or a shop; as, to hang out one's
      shingle. [Jocose, U. S.]
      [1913 Webster]

   Shingle oak (Bot.), a kind of oak (Quercus imbricaria)
      used in the Western States for making shingles.
      [1913 Webster]

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"

Moby Thesaurus II by Grady Ward, 1.0:

149 Moby Thesaurus words for "shingle":
   arch over, bank, barber, beach, beam, berm, bestraddle, bestride,
   billet, board, boarding, bob, breccia, brick, bridge, ceiling,
   clapboard, coast, coastland, coastline, coif, coiffure, conk, cord,
   cordwood, deal, debris, detritus, driftwood, eaves, embankment,
   extend over, face, firewood, foreshore, glass, glaze, grain,
   granule, granulet, gravel, grit, hang over, hardwood, housetop,
   imbricate, ironbound coast, jut, lantern, lap, lap over, lath,
   lathing, lathwork, lido, lie over, littoral, log, lumber, overarch,
   overhang, overhead, overlap, overlie, override, panelboard,
   paneling, panelwork, paper, penthouse, plafond, plage, plank,
   planking, playa, plyboard, plywood, pole, pompadour, post, process,
   puncheon, revet, ride, ridgepole, riverside, riviera,
   rockbound coast, roof, roof garden, roof-deck, roofage, roofing,
   roofpole, rooftop, rooftree, sand, sands, sea margin, seabank,
   seabeach, seaboard, seacliff, seacoast, seashore, seaside, shake,
   sheathe, sheathing, sheathing board, sheeting, shingles, shore,
   shoreline, sideboard, slab, slat, slate, slates, softwood, span,
   splat, stave, stick, stick of wood, stone, stovewood, strand,
   submerged coast, thatch, three-by-four, tidewater, tile, tiles,
   timber, timbering, timberwork, top, trim, two-by-four, veneer,
   wall in, wall up, wallpaper, waterfront, waterside, wave,
   weatherboard, wood