·noun One who, or that which, scalps.
II. Scalper ·noun A person who buys and sells the unused parts of railroad tickets.
III. Scalper ·noun ·same·as Scalping iron, under Scalping.
IV. Scalper ·noun A broker who, dealing on his own account, tries to get a small and quick profit from slight fluctuations of the market.
V. Scalper ·noun A person who buys tickets for entertainment or sports events and sells them at a profit, often at a much higher price. Also, ticket scalper.