wagon in WordNet English dictionary

1. a car that has a long body and rear door with space behind rear seat
   beach wagon  station wagon  wagon  estate car  beach waggon  station waggon  waggon 
   
2. van used by police to transport prisoners
   police van  police wagon  paddy wagon  patrol wagon  wagon  black Maria 
   
3. a child's four-wheeled toy cart sometimes used for coasting
   wagon  coaster wagon 
   
4. any of various kinds of wheeled vehicles drawn by an animal or a tractor
   wagon  waggon