from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Informal A member of a criminal gang or crime syndicate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a member of a criminal gang
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a criminal who is a member of gang
mob + -ster (Wiktionary)