Definition of roll something over in US English:

roll something over

phrasal verb

Finance
  • 1Contrive or extend a particular financial arrangement.

    ‘this is not a good time for rolling over corporate debt’
    • ‘Normally, trust companies roll these bonds over when they mature instead of redeeming them.’
    • ‘The government announced last week it would roll the debt over to the next financial year.’
    • ‘When payday comes, a clerk asks the applicant if hear she would like to roll the loan over to the next pay period.’
    • ‘If you have not used last year's allowance, you can roll it over for one year only.’
    • ‘You can remove these contributions from the plan tax-free before rolling the money over, although other penalties could apply.’
    1. 1.1British Carry over prize money in a lottery from one draw to the next, typically because the jackpot has not been won.