Having the appearance of a mosaic pavement; made up of elements of such forms and arrangement as to produce the appearance of a mosaic pavement, as in the case of spicules of sponges and spines of echinoids which have their distal ends enlarged, flattened, of polygonal form, and closely arranged.n. Something having a tessellated appearance.To form by inlaying differently colored materials, as a pavement; hence, to variegate.In zoology, same as tessellated, 3.