The Collaborative International Dictionary of English v.0.48:

patterned \patterned\ adj.
   Having describable patterns, especially patterns of colors.
   [Narrower terms: banded, blotched, blotchy, splotched,
   brindled, brindle, brinded, tabby, burled, checked,
   checkered, dappled, mottled, dotted, flecked, specked,
   speckled, stippled, figured, floral, flowered, laced,
   marbled, marbleized, moire, watered, pinstriped,
   pinstripe(prenominal), slashed, streaked, spotted,
   sprigged, streaked, streaky, striped, stripy,
   tessellated, veined, venose] plain, solid
   [WordNet 1.5 +PJC]

The Collaborative International Dictionary of English v.0.48:

Spot \Spot\, v. t. [imp. & p. p. Spotted; p. pr. & vb. n.
   Spotting.]
   1. To make visible marks upon with some foreign matter; to
      discolor in or with spots; to stain; to cover with spots
      or figures; as, to spot a garment; to spot paper.
      [1913 Webster]

   2. To mark or note so as to insure recognition; to recognize;
      to detect; as, to spot a criminal. [Cant]
      [1913 Webster]

   3. To stain; to blemish; to taint; to disgrace; to tarnish,
      as reputation; to asperse.
      [1913 Webster]

            My virgin life no spotted thoughts shall stain.
                                                  --Sir P.
                                                  Sidney.
      [1913 Webster]

            If ever I shall close these eyes but once,
            May I live spotted for my perjury.    --Beau. & Fl.
      [1913 Webster]

   To spot timber, to cut or chip it, in preparation for
      hewing.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Spotted \Spot"ted\, a.
   Marked with spots; as, a spotted garment or character. "The
   spotted panther." --Spenser.
   [1913 Webster]

   Spotted fever (Med.), a name applied to various eruptive
      fevers, esp. to typhus fever and cerebro-spinal
      meningitis.

   Spotted tree (Bot.), an Australian tree (Flindersia
      maculosa); -- so called because its bark falls off in
      spots.
      [1913 Webster]

WordNet (r) 3.0 (2006):

spotted
    adj 1: having spots or patches (small areas of contrasting color
           or texture); "a field patched with ice and snow"; "the
           wall had a spotty speckled effect"; "a black-and-white
           spotted cow" [syn: patched, spotty, spotted]

Moby Thesaurus II by Grady Ward, 1.0:

75 Moby Thesaurus words for "spotted":
   assigned, bedraggled, befouled, besmirched, bespangled, bespeckled,
   blotched, blotchy, defiled, deployed, dirtied, dotted, dotty,
   drabbled, draggled, dusted, embosomed, emplaced, ensconced,
   established, fixed, flea-bitten, flecked, fleckered, fouled,
   frecked, freckle-faced, freckled, freckly, installed, located,
   macular, maculate, maculated, patchy, peppered, placed, planted,
   pocked, pockmarked, pocky, pointille, pointillistic, polka-dot,
   positioned, posted, powdered, punctated, seated, set, settled,
   situate, situated, smirched, smudged, soiled, spangled, spattered,
   specked, speckled, speckledy, speckly, splashed, splattered,
   splotched, splotchy, spotty, sprinkled, stained, stationed,
   stippled, studded, sullied, tainted, tarnished