1. 
   DUP
   The Democratic Unionist Party draws its support from the Protestant community and is fiercely opposed to any moves towards involving the Republic of Ireland in Northern Ireland affairs. It became the largest party in Northern Ireland following the assembly election in 2003.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Dup
   Dup transitive verb [ Contr. from do up , that is, to lift up the latch. Confer Don , Doff .] To open; as, to dup the door. [ Obsolete] Shak.
   Found op http://www.encyclo.co.uk/webster/D/132
   
   
3. 
   Dup
   • (v. t.) To open; as, to dup the door.
   Found op http://thinkexist.com/dictionary/meaning/dup/
   
   
4. 
   Dup
   [system call] In Unix-like operating systems, dup and dup2 system calls create a copy of a given file descriptor. This new descriptor actually does not not behave like a copy, but like an alias of the old one. == C library POSIX definition == These dup and dup2 calls are standardized by the ...
   Found op http://en.wikipedia.org/wiki/Dup_(system_call)
   
   
5. 
   dup
   1) Not an orig. 2) Quarrel 3) To open
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/dup/1
   
   

Tip: double click on a word to show its meaning.