rollover

Short definition from Wiktionary

Noun

1. 1
   The process of incrementing, especially back to an initial value.
2. 2
   A road traffic accident in which a vehicle overturns.
3. 3
   A graphic element that changes its appearance when the cursor moves over it.
4. 4
   A keyboard feature where each key is scanned independently, so that multiple simultaneous keypresses always register correctly.
5. 5
   The sudden ignition of flammable gases (produced by pyrolysis in an oxygen-poor environment) near the ceiling of a room or other enclosed space.
6. 6
   The reinvestment of funds in a new issue of the same or similar investment.
7. 7
   A fee paid by a borrower in order to defer full repayment of a loan.
8. 8
   In the National or European lottery, the situation in which a jackpot that has not been won is carried over to the next week.
9. 9
   A target on the pinball table that is activated when the ball rolls over it.

Verb

1. 1
   Misspelling of roll over.