tessellate

tes·sel·late  (ts-lt)

tr.v. tes·sel·lat·ed, tes·sel·lat·ing, tes·sel·lates

To form into a mosaic pattern, as by using small squares of stone or glass.

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[From Latin tesselltus, of small square stones, from tessella, small cube, diminutive of tessera, a square; see tessera.]

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tessel·lation n.

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tessellate [ˈtɛsɪˌleɪt]

vb

1. (Miscellaneous Technologies / Building) (tr) to construct, pave, or inlay with a mosaic of small tiles

2. (intr) (of identical shapes) to fit together exactly triangles will tessellate but octagons will not

[from Latin tessellātus checked, from tessella small stone cube, from tessera]

Thesaurus

Verb	1.	tessellate - fit together exactly, of identical shapes; "triangles tessellate" fit, go - be the right size or shape; fit correctly or as desired; "This piece won't fit into the puzzle"
	2.	tessellate - tile with tesserae; "tessellate the kitchen floor" tile - cover with tiles; "tile the wall and the floor of the bathroom"