D defs.my
Entry 2 senses Webster, 1913

Ashlar

· Ash·lar · IPA /ˈæʃlɚ/
01 n. Hewn or squared stone; also, masonry made of squared or hewn stone.
  1. 1.
    Hewn or squared stone; also, masonry made of squared or hewn stone.(Masonry)
    “Rough ashlar, a block of freestone as brought from the quarry. When hammer-dressed it is known as common ashlar.” — Knight.
  2. 2.
    In the United States especially, a thin facing of squared and dressed stone upon a wall of rubble or brick.