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Meaning of opener

o•pen•er

Pronunciation: (ō'pu-nur), [key]
— n.
  1. a person or thing that opens.
  2. a device for opening sealed containers: can opener.
  3. the first of several theatrical numbers, variety acts, sports events, etc.: a humorous monologue as an opener.
  4. cards in a hand, as a pair of jacks or better, that according to a given standard are worth enough to enable the holder to make the first bet of a deal.
  5. as an initially stated reason or argument; at the outset; to begin with: Well, for openers, I don't have the money.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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