'ARB' definitions:

Definition of 'arb'

From: WordNet
noun
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) [syn: arbitrageur, arbitrager, arb]

Acronyms for 'ARB'

From: V.E.R.A.
  • Architecture Review Board (OpenGL, manufacturer, org.)