/ əˈkjuːmjəleɪtə(r); NAmE / noun
1.
( computing ) a section of a computer that is used for storing the results of what has been calculated
2.
( BrE ) ( NAmE ˈstorage battery ) a large battery that you can fill with electrical power (= that you can recharge )
3.
( BrE ) a bet on a series of races or other events, where the money won or originally bet is placed on the next race, etc.
For more information see the Cultural Guide