Wiktionary says:
"1. Edited or censored.
The government released the redacted document, but most of it was blacked out as secret."


Also at Searchcio,
http://searchcio.techtarget.com/sDefinition/0,,sid182_gci1029839,00.html we have

" - To redact is to edit, or prepare for publishing. Frequently, a redacted document, such as a memo or e-mail message, has simply had personal (or possibly actionable) information deleted or blacked out; as a consequence, redacted is often used to describe documents from which sensitive information has been expunged"