Scō'ti-ă, n.

noun

(skō′shĭ-ă), n. [Lat. scotia, Gr. σκοτία, darkness, gloom, a sunken molding in the base of a pillar, so called from the dark shadow it casts; Fr. scotie, It. scozia, Sp. *escocia.] (Arch.) (a.) A concave molding used in the base of a column between the fillets of the tori, and in other situations, its outline being a segment of a circle, often a segment greater than a semicircle. (b.) A groove or channel cut in the projecting angle of the Doric corona.

A cross-sectional drawing of a scotia molding.
Scotia.