NOUN (4)

1. an alternative name that a person chooses or is given (especially in inner city neighborhoods);
- Example: "her street name is Bonbon"

2. slang for something (especially for an illegal drug);
- Example: "`smack' is a street name for heroin"

3. the name of a brokerage firm in which stock is held on behalf of a customer;
- Example: "all my stocks are held in street name"

4. the name of a street;

WordNet (r) 3.0 (2006):

street name
    n 1: an alternative name that a person chooses or is given
         (especially in inner city neighborhoods); "her street name
         is Bonbon"
    2: slang for something (especially for an illegal drug);
       "`smack' is a street name for heroin"
    3: the name of a brokerage firm in which stock is held on behalf
       of a customer; "all my stocks are held in street name"
    4: the name of a street