DuckCorp Dico

Found one definition

1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   den /dˈɛn/ <N>
   1. माँद
         "Lion lives in the den."
   2. निजी कमरा
         "He spends most of the time in his den with his  computer."
   3. अड्डा
         "All the criminal elements gather in Harish's den in the evening."