Note:  Do not rely on this information. It is very old.


Ashlar (Low Latin, axillaris, plank-like, i.e. laid in courses), building stone squared and hewn (sometimes only applied to squared stone), in contrast to rubble and rough undressed stone. It is laid in regular courses, and classed as tooled, polished, or rustic ashlar, according as the face of the stone is worked or left smooth or rough.