n.
- A man who sponsors a person at baptism.
- One that has a relationship to another person or to something that is the equivalent of being a baptismal sponsor: the godfather of a new generation of nuclear physicists.
- Slang. The leader of an organized crime family.
To serve as or as if a godfather to.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.