the GNU version of the Collaborative International Dictionary of English
n. same as arbitrageur.
The Century Dictionary and Cyclopedia
n. A banker or a broker who engages in arbitrage operations.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential)
Word Usage
"Ivan Boesky, an arbitrager, was willing to pay, sometimes with suitcases of cash, for advanced knowledge of which firms were being purchased."