Dup

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dup \Dup\ (d[u^]p), v. t. [Contr. fr. do up, that is, to lift up
     the latch. Cf. {Don}, {Doff}.]
     To open; as, to dup the door. [Obs.] --Shak.
     [1913 Webster]

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:



  DUP
       Distribution Unit Profile (MS, OSD, DU, MSIE)