(v): come out better in a competition, race, or conflict
(v): compete (for an advantage or a position)
(v): perform a movement in military or naval tactics in order to secure an advantage in attack or defense
(v): ride a racehorse as a professional jockey
(v): compete in a horse race
(n): someone employed to ride horses in horse races
(n): a man skilled in equitation
(n): an operator of some vehicle or machine or apparatus
(n): an agent that operates some apparatus or machine