Definitions
1.nounA return to a prior state by undoing some operation.
2.nounA withdrawal of military forces.
3.nounAn operation which returns a database, or group of records in a database, to a previous state (normally to the previous commit point).
4.nounThe situation where a rollercoaster fails to reach the top of a hill and instead rolls backward.
5.noun(mechanics' jargon) A form of flatbed truck adapted or designed specifically as a tow truck or for transporting other vehicles.
6.nounThe policy of totally annihilating an enemy's armed forces and occupying the country, as was done in World War II to Italy, Germany, and Japan.
7.verbReturn to the previous state."The server is unstable, we need to rollback the changes."