forfeiture in WordNet English dictionary

1. the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.
   forfeit  forfeiture  sacrifice 
   
2. a penalty for a fault or mistake that involves losing or giving up something
   "the contract specified forfeits if the work was not completed on time"
   forfeit  forfeiture 
   
3. something that is lost or surrendered as a penalty;
   forfeit  forfeiture