Definition of rollback
noun
1chiefly
North American a reduction or decrease:a 5 percent rollback of personal income taxes a reversion to a previous state or situation:a rollback to conditions not seen since the open shop days of the 1930s
2 Computing the process of restoring a database or program to a previously defined state, typically to recover from an error.
verb
[with object] Computing restore (a database) to a previously defined state.
