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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Covin \Cov"in\ (k?v"?n), n. [OF. covine, covaine, fr. covenir to
      agree. See Covenant.]
      1. (Law) A collusive agreement between two or more persons to
         prejudice a third.
         [1913 Webster]
      2. Deceit; fraud; artifice. [Obs.] --Chaucer.
         [1913 Webster]