The Collaborative International Dictionary of English v.0.48:

Wale \Wale\, n. [AS. walu a mark of stripes or blows, probably
   originally, a rod; akin to Icel. v["o]lr, Goth. walus a rod,
   staff. [root]146. Cf. Goal, Weal a wale.]
   [1913 Webster]
   1. A streak or mark made on the skin by a rod or whip; a
      stripe; a wheal. See Wheal. --Holland.

   Syn: welt; weal; wheal.
        [1913 Webster]

   2. A ridge or streak rising above the surface, as of cloth;
      hence, the texture of cloth.
      [1913 Webster]

            Thou 'rt rougher far,
            And of a coarser wale, fuller of pride. --Beau. &
                                                  Fl.
      [1913 Webster]

   3. (Carp.) A timber bolted to a row of piles to secure them
      together and in position. --Knight.
      [1913 Webster]

   4. (Naut.)
      (a) pl. Certain sets or strakes of the outside planking of
          a vessel; as, the main wales, or the strakes of
          planking under the port sills of the gun deck; channel
          wales, or those along the spar deck, etc.
      (b) A wale knot, or wall knot.
          [1913 Webster]

   Wale knot. (Naut.) See Wall knot, under 1st Wall.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wale \Wale\, v. t.
   1. To mark with wales, or stripes.
      [1913 Webster]

   2. To choose; to select; specifically (Mining), to pick out
      the refuse of (coal) by hand, in order to clean it. [Prov.
      Eng. & Scot.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

wale
    n 1: a raised mark on the skin (as produced by the blow of a
         whip); characteristic of many allergic reactions [syn:
         wale, welt, weal, wheal]
    2: thick plank forming a ridge along the side of a wooden ship
       [syn: wale, strake]

Moby Thesaurus II by Grady Ward, 1.0:

170 Moby Thesaurus words for "wale":
   abscess, aposteme, bed sore, bilge, birthmark, blackhead, blain,
   bleb, blemish, blister, blob, boil, boss, bow, bubble, bubo, bulb,
   bulge, bulla, bump, bunch, bunion, burl, button, cahot, canker,
   canker sore, carbuncle, chancre, chancroid, check, chilblain,
   chine, cicatrix, clump, cold sore, comedo, condyle, convex, crack,
   crater, craze, defacement, defect, deformation, deformity,
   disfiguration, disfigurement, distortion, dowel, ear, eschar,
   fault, feel, felon, fester, festering, fever blister, finish,
   fistula, flange, flap, flaw, freckle, furuncle, furunculus, gall,
   gathering, gnarl, grain, granular texture, gumboil, handle,
   hemangioma, hemorrhoids, hickey, hill, hump, hunch, indentation,
   jog, joggle, keloid, kibe, kink, knob, knot, knub, knur, knurl,
   lentigo, lesion, lip, loop, lump, milium, mole, mountain, nap,
   needle scar, nevus, nub, nubbin, nubble, papilloma, papula, papule,
   paronychia, parulis, peg, petechia, pile, piles, pimple, pit, pock,
   pockmark, polyp, port-wine mark, port-wine stain, protuberance,
   pustule, rib, ridge, rift, ring, rising, scab, scar, scratch,
   sebaceous cyst, shag, shoulder, soft chancre, sore, spine, split,
   stigma, strawberry mark, structure, stud, sty, style, suppuration,
   surface, surface texture, swelling, tab, texture, track, tubercle,
   tubercule, twist, ulcer, ulceration, verruca, vesicle, warp, wart,
   weal, weave, welt, wen, wheal, whelk, whelp, whitehead, whitlow,
   woof, wound