opener


From The Collaborative International Dictionary of English v.0.48:

Opener \O"pen*er\, n.
   1. One who, or that which, opens. "True opener of my eyes."
      --Milton.
      [1913 Webster]

   2. Specifically: A bottle opener or a can opener; as, you
      need an opener to get the cap off.
      [PJC]
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