1. an annual horse race for three-year-olds, founded in 1780 by the 12th Earl of Derby. The race is run on Epsom Downs in England in late May or early June.
▪ a race similar to the Derby elsewhere: "the Kentucky Derby"
▪ a sporting contest open to the general public: "sign up for the fishing derby"
2. a bowler hat. North American
3. a boot or shoe having the eyelet tabs stitched on top of the vamp.
