1. 
   Retund
   Re·tund' transitive verb [ Latin retundere , retusum ; prefix re- re- + tundere to beat.] To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence. Ray. Cudworth.
   Found op http://www.encyclo.co.uk/webster/R/69
   
   
2. 
   Retund
   • (v. t.) To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence.
   Found op http://thinkexist.com/dictionary/meaning/retund/
   
   

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