Dentil \Den"til\, n. [LL. dentillus, for L. denticulus. Cf.
{Dentelli}, {Denticle}, {Dentile}.] (Arch.)
A small square block or projection in cornices, a number of
which are ranged in an ornamental band; -- used particularly
in the Ionic, Corinthian, and Composite orders.
[1913 Webster]