Source : Webster's Revised Unabridged Dictionary (1913)

Scorse \Scorse\ (? or ?), n. [Cf. It. scorsa a course, and E.
   discourse.]
   Barter; exchange; trade. [Obs.]

         And recompensed them with a better scorse. --Spenser.

Scorse \Scorse\, v. t. [Written also scourse, and scoss.]
   1. To barter or exchange. [Obs.] --Spenser.

   2. To chase. [Obs.] --Spenser.

Scorse \Scorse\, v. i.
   To deal for the purchase of anything; to practice barter.
   [Obs.] --B. Jonson.