Scrabble & Words with friends points
        
        
                    - arb is a valid Scrabble US word with a point value of 5
 
          
                    - arb is a valid Scrabble UK word with a point value of 5
 
          
                    - arb is a valid Words with friends word with a point value of 6
 
          
        
        Definition of arb
        
        
          - 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) (noun)
Synonyms
- arbitrager
 - arbitrageur
 
         
        See definition of arb in Merriam Webster