DUP
Etymology
Verb
dup (third-person singular simple present dups, present participle dupping, simple past and past participle dupped)
to open (a door, gate etc.)
Anagrams
• PDU, Pud, UDP, pud
Proper noun
DUP
Initialism of Democratic Unionist Party, the largest unionist party in Northern Ireland.
Anagrams
• PDU, Pud, UDP, pud
Source: Wiktionary
Dup, v. t. Etym: [Contr. fr. do up, that is, to lift up the latch.
Cf. Don, Doff.]
Definition: To open; as, to dup the door. [Obs.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition