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1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   rattlesnake /ɹˈatəlsnˌeɪk/ <N>
   1. एक~विषधर~साँप
         "A venomous snake having loosely attached horney segments at the end of the"
         "tail which makes a rattling noise when it is angry or afraid.  "
         "Most of the rattlesnakes are found in the desert."