Quick definitions from WordNet (arbitrage)
▸ noun: a kind of hedged investment meant to capture slight differences in price; when there is a difference in the price of something on two different markets the arbitrageur simultaneously buys at the lower price and sells at the higher price
▸ verb: practice arbitrage, as in the stock market
▸ Also see arbitrage
▸ noun: a kind of hedged investment meant to capture slight differences in price; when there is a difference in the price of something on two different markets the arbitrageur simultaneously buys at the lower price and sells at the higher price
▸ verb: practice arbitrage, as in the stock market
▸ Also see arbitrage