An ornament in a Doric frieze, consisting of a projecting block having on its face two parallel vertical glyphs or grooves and two half grooves or chamfers on either vertical end, that separates the metopes.

• 三槽板多利安柱式檐壁上的建筑装饰，包括一块微凸的长方形石板，板上有两条平行垂直的凹槽和两边两条相应的斜削的半槽，半槽将排档间饰分开