jockey in WordNet English dictionary

1. defeat someone through trickery or deceit
   cheat  chouse  shaft  screw  chicane  jockey 
   
2. ride a racehorse as a professional jockey
   jockey 
   
3. compete (for an advantage or a position)
   jockey 
   

1. someone employed to ride horses in horse races
   jockey 
   
2. an operator of some vehicle or machine or apparatus
   "he's a truck jockey"; "a computer jockey"; "a disc jockey"
   jockey