duplicateadj/ˈd(j)uː.plɪ.kət/

• 1

  Being the same as another; identical, often having been copied from an original.

  • This is a duplicate entry.
• 2

  gamesIn which the hands of cards, tiles, etc. are preserved between rounds to be played again by other players.

  • duplicate whist
  • duplicate Scrabble

duplicateverb/ˈd(j)uː.plɪˌkeɪt/

• 1

  To make a copy of.

  • If we duplicate the information, are we really accomplishing much?
  • Can you duplicate this kind of key?
• 2

  To do repeatedly; to do again.

  • You don't need to duplicate my efforts.
• 3

  To produce something equal to.

  • He found it hard to duplicate the skills of his wife.

duplicatenoun/ˈd(j)uː.plɪ.kət/

• 1

  One that resembles or corresponds to another; an identical copy.

  • This is a duplicate, but a very good replica.
  • July 20, 1678, William Temple, letter to the Lord Treasurer I send a duplicate both of it and my last dispatch.
• 2

  lawAn original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original

• 3

  A pawnbroker's ticket, which must be shown when redeeming a pledged item.

  • "Sir, I hope you will excuse what I am going to say; but having observed that you frequently pledge similar goods to these at our shop, which are afterwards taken out by other persons, I take for granted you are in the habit of selling the duplicates;[…]"
• 4

  The game of duplicate bridge.

  • The momentary madness which infects bridge players occurs frequently at rubber bridge and duplicate; and though it rarely results in murder, it often terminates marriages and close friendships[…]
• 5

  The game of duplicate Scrabble.

• 6

  biologybotanynatural-sciencesA biological specimen that was gathered alongside another specimen and represents the same species.

  • Each collection, which may be a unicate or several specimens as duplicates in several herbaria, constitutes a record in the Conifer Database.