\Sur*bate"\, 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.]
         Lest they their fins should bruise, and surbate sore
         Their tender feet upon the stony ground. --Spenser.
         Chalky land surbates and spoils oxen's feet.
                                               --Mortimer.
2. To harass; to fatigue. [Obs.] --Clarendon.