Example: "We reverted to the old rules"
One who, or that which, reverts.
One who reverts to that religion which he had adhered to before having converted to another
(due to the belief that all people are born muslim) a convert to islam.
The act of reversion (of e.g. a database transaction or source control repository) to an earlier state.
Example: "We've found that git reverts are at least an order of magnitude faster than svn reverse merges."