The Collaborative International Dictionary
Tessellating
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.
Wiktionary
tessellating
vb. (present participle of tessellate English)