Source : Webster's Revised Unabridged Dictionary (1913)

Tessellated \Tes"sel*la`ted\, a.
   1. Formed of little squares, as mosaic work; checkered; as, a
      tessellated pavement.

   2. (Bot. & Zo["o]l.) Marked like a checkerboard; as, a
      tessellated leaf.

Tessellate \Tes"sel*late\, v. t. [imp. & p. p. {Tessellated}; p.
   pr. & vb. n. {Tessellating}.] [L. tessellatus tessellated.
   See {Tessellar}.]
   To form into squares or checkers; to lay with checkered work.

         The floors are sometimes of wood, tessellated after the
         fashion of France.                       --Macaulay.

Source : WordNet®

tessellated
     adj 1: having a checkered or mottled appearance
     2: decorated with small pieces of colored glass or stone fitted
        together; "a mosaic floor"; "a tessellated pavement" [syn:
         {mosaic}]