Noun

1. An instance of rebooting.
2. The rewriting of a series storyline that discards all previous continuity.

Verb

1. To cause a computer to execute its boot process, effectively resetting the computer and causing the operating system to reload, especially after a system or power failure
2. To discard all previous continuity in a series and restart the series.
3. To restart a (computer or video game) from the beginning.