dup

[duhp]

verb (used with object), dupped, dup·ping. Archaic.

to open.

Origin of dup

1540–50; contraction of do¹ + up; cf. doff, don²

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British Dictionary definitions for dups

dup

verb dups, dupping or dupped

(tr) archaic, or dialect to open

Word Origin for dup

C16: contraction of do 1 + up

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012