n. [ Pref. sur- + base. ] 1. (Arch.) A cornice, or series of moldings, on the top of the base of a pedestal, podium, etc. See Illust. of Column. [ 1913 Webster ]

2. A board or group of moldings running round a room on a level with the tops of the chair backs. Knight. [ 1913 Webster ]

a. (Arch.) (a) Having a surbase, or molding above the base. (b) [ F. surbaissé. ] Having the vertical height from springing line to crown less than the half span; -- said of an arch; as, a segmental arch is surbased. [ 1913 Webster ]

v. t. [ imp. & p. p. Surbated; p. pr. & vb. n. Surbating. ] [ F. solbatu, p. p., bruised (said of a horse's foot); sole a sole (of a horse's foot) + battu, p. p. of battre to beat. ] 1. To make sore or bruise, as the feet by travel. [ Obs. ] [ 1913 Webster ]

Lest they their fins should bruise, and surbate sore
Their tender feet upon the stony ground. Spenser. [ 1913 Webster ]

Chalky land surbates and spoils oxen's feet. Mortimer. [ 1913 Webster ]

2. To harass; to fatigue. [ Obs. ] Clarendon. [ 1913 Webster ]