BDN

Borland Developer Network, details ...
Found on http://www.cryer.co.uk/glossary/b/index.htm

bdn

city, extreme southwestern Iran. The city is situated in Khzestn, part of the oil-producing region of Iran. bdn lies on an island of the same name ...
Found on http://www.britannica.com/eb/a-z/a/2

BDN

Big Damn Number
Found on http://www.encyclo.co.uk/local/21662
No exact match found