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1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   sheath /ʃˈiːθ/ <N>
   1. म्यान
         "The king pulled out the sword out of his sheath."
   2. आच्छद, आवरण
         "Sheath is provided around the electric cables."
   3. ?
         "A sheath is a cocktail dress."
         "She was looking beautiful in sheath."