noun
chestnut
CHES-nut/ˈtʃesnʌt/
A smooth brown edible nut enclosed in a spiny case.
A peeled chestnut lies beside glossy nuts and an opened burr.

Etymology
The word has long named the nut and tree, giving the modern edible nut sense directly.
More examples
- They roasted chestnuts over the fire.
- She added chopped chestnuts to the stuffing.
Forms
chestnut · chestnuts
Similar words
- nut
- Is the broader food category.
- kernel
- Names the edible inner part, rather than the whole nut.