Mottle

mottle
    n 1: an irregular arrangement of patches of color; "it was not
         dull grey as distance had suggested, but a mottle of khaki
         and black and olive-green"
    v 1: mark with spots or blotches of different color or shades of
         color as if stained [syn: {mottle}, {streak}, {blotch}]
    2: colour with streaks or blotches of different shades [syn:
       {mottle}, {dapple}, {cloud}]
    

Mottle \Mot"tle\, v. t. [imp. & p. p. {Mottled}; p. pr. & vb. n.
   {Mottling}.] [From {Mottled}.]
   To mark with spots of different color, or shades of color, as
   if stained; to spot; to maculate.
   [1913 Webster]
    

Mottle \Mot"tle\, n.
   A mottled appearance.
   [1913 Webster]
    

127 Moby Thesaurus words for "mottle":
      band, bar, bespangle, bespeckle, bespot, birthmark, blaze,
      blaze a trail, blemish, blotch, brand, caste mark, chalk, chalk up,
      check, check off, checker, checkmark, cicatrix, cicatrize, cut,
      dapple, dappledness, dappleness, dash, define, delimit, demarcate,
      discolor, discoloration, dot, dottedness, earmark, engrave,
      engraving, flake, fleck, flick, freckle, freckliness, gash,
      graving, hack, harlequin, hatch, impress, imprint, iris, jot,
      lentigo, line, macula, maculate, maculation, macule, make a mark,
      marble, marbleize, mark, mark off, mark out, marking, mole, motley,
      mottledness, nevus, nick, notch, patch, pencil, pepper, point,
      pointillage, pointillism, polka dot, polychrome, polychromize,
      prick, print, punch, punctuate, puncture, rainbow, riddle, scar,
      scarification, scarify, score, scotch, scratch, scratching, seal,
      seam, spangle, speck, speckle, speckliness, splash, splotch, spot,
      spottedness, spottiness, sprinkle, stain, stamp, stigma,
      stigmatize, stipple, stippledness, stippling, strawberry mark,
      streak, striate, stripe, stud, tattoo, tattoo mark, tessellate,
      tick, tick off, tittle, trace, underline, underscore, variegate,
      vein, watermark