boultin
Boul"tel, Boul"tin, n. (Arch.) (a) A molding, the convexity of which is one fourth of a circle, being a member just below the abacus in the Tuscan and Roman Doric capital; a torus; an ovolo. (b) One of the shafts of a clustered column. [Written also bowtel, boltel, boultell, etc.]