any of a series of closely spaced, small, rectangular blocks, used especially in classical architecture beneath the coronas of Ionic, Corinthian, and Composite cornices.
Origin: 1655–65; < Frenchdentille (obsolete), feminine diminutive of denttooth
one of a set of small square or rectangular blocks evenly spaced to form an ornamental row, usually under a classical cornice on a building, piece of furniture, etc
[C17: from French, from obsolete dentille a little tooth, from dent tooth]