Used attributively in biology and descriptive writing to denote something arranged in a mosaic/checkered pattern.
Definitions
tessellateverb
To cover a plane surface by repeated use of a single shape, without gaps or overlapping.
The artist decided to tessellate the floor with hexagonal tiles to create a unique pattern.
In computing and cartography, to divide (data or an image) into a repeated pattern of polygons or tiles so as to completely cover a surface without overlaps or gaps.
The rendering engine tessellates the 3-D model into triangles before shading.
tessellateadjective
Arranged in or marked by a mosaic of small, usually square or polygonal, blocks; checkered.
Under the microscope the reptile's skin appeared distinctly tessellate.