bunker in WordNet English dictionary

1. a hazard on a golf course
   bunker  sand trap  trap 
   
2. a fortification of earth; mostly or entirely below ground
   bunker  dugout 
   
3. a large container for storing fuel
   "the ship's bunkers were full of coal"
   bunker 
   

1. hit a golf ball into a bunker
   bunker 
   
2. transfer cargo from a ship to a warehouse
   bunker 
   
3. fill (a ship's bunker) with coal or oil
   bunker