roll over

Short definition from Wiktionary

Verb

1. 1
   To make a rolling motion or turn.
2. 2
   To cause a rolling motion or turn.
3. 3
   To give in to.
4. 4
   To easily overwhelm; to steamroller; to brush aside.
5. 5
   To reinvest funds from a maturing financial security in the same or similar investment.
6. 6
   To reinvest funds from a lottery into a subsequent one, in the event that a prize was not won.
7. 7
   To move the cursor over.
8. 8
   To increment, especially back to an initial value.

Noun

1. 1
   Alternative spelling of rollover.