accumulator

 
Pronunciation: /əˈkjuːmjʊleɪtə/

noun

  • a person or thing that accumulates, in particular: an accumulator of capital
  • British a large rechargeable electric cell.
  • British a bet placed on a series of races (or other events), the winnings and stake from each being placed on the next: an eight-horse accumulator
  • Computing a register used to contain the results of an arithmetical or logical operation.