A large molding used in the bases of columns. Its profile is semicircular. See Illust. of Molding.

One of the ventral parapodia of tubicolous annelids. It usually has the form of an oblong thickening or elevation of the integument with rows of uncini or hooks along the center. See Illust. under Tubicolæ.

A pronounced convex moulding.

Parabolic Torus geometry of multiple beam antenna. Reflector has a circular profile along the orbital arc, and a parabolic profile across the are.

commonly the lowest molding at the base of a column

A convex moulding of semicircular profile, larger than an astragal. Back

(or annulet): a convex moulding, i.e. a stone ring at the base of a Romanesque or early Gothic column. A larger torus is called a 'scotia'

A Classical semi-circular convex moulding generally used as a moulding for the base of a cabinet.

A convex moulding of semi-circular profile, used especially in the bases of columns of all five orders.

Bold convex round molding, usually in circle of 1/2 inch or more, sometimes flattened.