street name

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The name of a street.
• noun The name of a broker or brokerage firm as used when registering a security owned by a customer in order to simplify trading.
• noun An alternative or slang term for something, especially an illegal drug.
• noun An alternative name that a person chooses or is given, especially as used in inner city neighborhoods.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The slang term.
• noun A person’s nickname, such as a gangster or mafia name.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the name of a brokerage firm in which stock is held on behalf of a customer
• noun the name of a street
• noun an alternative name that a person chooses or is given (especially in inner city neighborhoods)
• noun slang for something (especially for an illegal drug)