the world > animals > mammals > group Ungulata (hoofed) > family Equidae (general equines) > colour or marking > [noun] > sorrel bay or chestnut (6)
Bay coloured; absol. a bay horse.
A horse of a bright chestnut or reddish brown colour; also as the name of a horse. (So Old French Sorel.)
as n., elliptical for ‘bay horse’.
Short for chestnut horse. (colloquial.)
A sorrel or bright chestnut horse.