DuckCorp Dico

Found one definition

1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   jack /dʒˈak/ <N>
   1. भारी~बोझा~ऊपर~उठाने~का~यन्त्र
         "I don't know how to use a jack."
   2. गुलामताश~के~पत्तों~में
         "Jack is a Court Card in a pack of playing cards."
   3. एक~प्रकार~का~प्लग
         "The speaker was connected to the tape recorder by a jack."