derby, n. (pl. -ies)
1 a an annual horse-race run on the flat at Epsom. b a similar race elsewhere (Kentucky Derby).
2 any important sporting contest.
3 (derby) US a bowler hat.
Derby Day the day on which the Derby is run. local Derby a match between two teams from the same district.
the 12th Earl of Derby d. 1834, founder of the horse-race
Kentucky Derby, Preakness Stakes, chase, flat race, handicap, handicap race, harness race, horse race, hurdle race, plate race, purse race, quarter-horse race, stake, stake race, steeplechase, sweep, sweepstake, sweepstakes, trotting race