Ashlar

Dry ashlar masonry laid in parallel courses on an Inca wall at Machu Picchu
Ashlar masonry north gable of Banbury Town Hall, Oxfordshire
Quarry-faced red Longmeadow sandstone in random ashlar was specified by architect Henry Hobson Richardson for the North Congregational Church (Springfield, Massachusetts, 1871).

Ashlar (/ˈæʃlər/) is cut and dressed stone worked to achieve a specific form, typically rectangular; a structure built from such stones; and the look created by the dressing technique. Ashlar stone may be dry laid or bedded in mortar.