Answer: dentil

AnswerCrossword Clue
DENTILArchitectural toothlike projection
dentilone of a series of small projecting rectangular blocks forming a molding especially under a cornice
dentilany of a series of closely spaced, small, rectangular blocks, used esp. in classical architecture beneath the coronas of Ionic, Corinthian, and Composite cornices
dentilone of a row of tooth-shaped square blocks, also DENTEL