Surbase :: Surbase (n.) A cornice, or series of moldings, on the top of the base of a pedestal, podium, etc. See Illust. of Column..
Surbased :: Surbase (n.) A board or group of moldings running round a room on a level with the tops of the chair backs.
Surbased :: Surbased (a.) Having a surbase, or molding above the base..