dup

from The Collaborative International Dictionary of English v.0.48
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 V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
DUP
       Distribution Unit Profile (MS, OSD, DU, MSIE)
antiflux / dictionary / dup
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