SG Heritage Dictionary

Surbase [Noun] Webster's Dictionary 1828

A border or molding above the base.

Surbase [Noun] Webster's Dictionary 1913

1. A cornice, or series of moldings, on the top of the base of a pedestal, podium, etc. See Illust. of Column.

2. A board or group of moldings running round a room on a level with the tops of the chair backs.

Surbased [Adjective] Webster's Dictionary 1828

Having a surbase, or molding above the base.

Surbased [Adjective] Webster's Dictionary 1913

1. Having a surbase, or molding above the base.

2. Having the vertical height from springing line to crown less than the half span; -- said of an arch; as, a segmental arch is surbased.