rollover

noun | \ ˈrōl-ˌō-vər \ | roll·over
  1. : the act or process of rolling over

roll over

transitive verb
  1. a : to defer payment of (an obligation)

    b : to renegotiate the terms of (a financial agreement)

  1. : to place (invested funds) in a new investment of the same kind roll over IRA funds