an edible nut with shiny brown skin, often eaten roasted, that grows inside a spiny case
the tree of the beech family that produces this nut
a tree or shrub of the beech family: Castanea sativa
the edible nut of the chestnut tree
the hard wood of the chestnut tree
a reddish brown colour
= horse chestnut
a chestnut-coloured horse
informal an often repeated joke or story; broadly anything repeated excessively
the small hard patch on the inner side of a horse's leg
chestnut adj
[Middle English chasteine, chesten chestnut tree, via French and Latin from Greek kastanea]