Carefully cut and regularly shaped blocks of stone used in construction, fitted together without mortar.

Stone masonry cut into rectangles and laid to create a wall.

Masonry composed of rectangular units of burned clay or shale, or stone, generally larger in size than brick and properly bonded, having sawed, dressed or squared beds, and joints laid in mortar. Often the unit size varies to provide a random pattern, random ashlar.

technique of stone construction in which carefully cut ("dressed") blocks are laid in regular layers or "courses"

Masonry assembled in different sizes and in random fashion to imitate ashlar.