1. A race for three-year-old horses, run annually at Epsom (near London), for the Derby stakes. It was instituted by the 12th Earl of Derby, in 1780.
2. A race for three-year-old horses, such as that run annually at Epsom (near London) or in Kentucky (Kentuck Derby).
(horse race) blue riband of the English horseracing season, run over 2.4 km/1.5 mi at Epsom, Surrey, every June. It was established 1780 and named for the 12th Earl of Derby. The US has an equivalent horse race, the Kentucky Derby.

County in N central England
area 1,015 sq mi/2,630 sq km
towns and cities Matlock (administrative headquarters), Derby, Chesterfield, Ilkeston
features Peak District National Park (including Kinder Scout 2,088 ft/636 m); rivers: Derwent, Dove, Rother, Trent; Chatsworth House, Bakewell (seat of Duke of Devonshire); Haddon Hall
industries cereals; dairy and sheep farming.
/> County of N central England
area 2,630 sq km/1,015 sq mi
towns and cities Matlock (administrative headquarters), Derby, Chesterfield, Ilkeston
features Peak District National Park (including Kinder Scout 636 m/2,088 ft); rivers: Derwent, Dove, Rother, Trent; Chatsworth House, Bakewell (seat of the Duke of Devonshire); Haddon Hall
industries cereals; dairy and sheep farming; textiles; there have been pit and factory closures, but the area is being redeveloped, and there are large reserves of fluorite

famous people Samuel Richardson, Thomas Cook, Marquess Curzon of Kedleston.
industries cereals; dairy and sheep farming.