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.
Source: Webster's Revised Unabridged Dictionary (1913)
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.