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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Quintuple \Quin"tu*ple\, v. t. [imp. & p. p. Quintupled; p.
      pr. & vb. n. Quintupling.] [Cf. F. quintupler.]
      To make fivefold, or five times as much or many.
      [1913 Webster]