Definition of "jockey"

One who rides racehorses competitively.  examples

That part of a variable resistor or potentiometer that rides over the resistance wire  examples

(in combination) An operator of some machinery or apparatus.  examples

(dated) A dealer in horses; a horse trader.  examples

The selling of an unsound horse for a sound price is regarded by a Yorkshire jockey  examples

(dated) A cheat; one given to sharp practice in trade.  examples

(UK, crime, slang) A prostitute's client.

(Ireland, crime, slang) A rapist.

To ride (a horse) in a race.  examples

To jostle by riding against.  examples

To maneuver (something) by skill for one's advantage.  quotations  examples

To cheat or trick.  examples