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Found one definition

1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   urn /ˈɜːn/ <N>
   1. एक~प्रकार~का~गोल~बर्तन, सुराही, जलपात्र
         "The urn in the mess is filled with hot tea."
   2. मृतक की राख रखने का बर्तन
         "They emersed the urn having ashes into the Ganges."