Definition from Wiktionary, the free dictionary
- (transitive) To edit out rude, incorrect, offensive, useless, or otherwise undesirable information from a book, CD or other publication; to cleanse; to purge.
- The publisher decided to expurgate the love scene from the book, to make it more child-friendly.
Derived terms 
See also 
to cleanse, to purge
- vocative masculine singular of expurgātus