pawn in WordNet English dictionary

1. leave as a guarantee in return for money
   "pawn your grandfather's gold watch"
   pawn  soak  hock 
   

1. borrowing and leaving an article as security for repayment of the loan
   pawn 
   
2. (chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank
   pawn 
   
3. an article deposited as security
   pawn