What is "bowtel"

Boultel \Boul"tel\, Boultin \Boul"tin\, n. (Arch.)

1. 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.

2. One of the shafts of a clustered column. [Written also bowtel, boltel, boultell, etc.]

n. (alternative form of boultel English)