What is the meaning of Arbitrage?

A market activity in which a security, commodity, currency or other tradable item is bought in one market and sold simultaneously in another, in order to profit from price differences between the markets.

Arbitration.

To employ arbitrage

To engage in arbitrage in, between, or among

refereeing

arbitration

arbitration (the act or process of arbitrating)

arbitrage

trade-off

refereeing

Source: wiktionary.org