Meaning of dentil

den•til

Pronunciation: (den'tl, -til), [key]
— n. Archit.
  1. any of a series of closely spaced, small, rectangular blocks, used esp. in classical architecture beneath the coronas of Ionic, Corinthian, and Composite cornices.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.