Anas castanea, a dabbling duck found in southern Australia.

plural of chestnut teal

A type of deciduous tree native to Europe, Castanea sativa. / The edible nuts of this tree.

plural of chestnut rail

Alternative spelling of horse chestnut

(uncountable) Chinese water chestnut (Eleocharis dulcis), grown for its edible corm, used in Asian cooking. / (countable) A corm of a plant of this species. / A water caltrop (Trapa natans).

A bird from the family Rallidae, Eulabeornis castaneoventris.

Castanea sativa, a deciduous tree with edible deep brown nutlike fruits. The fruits have a little white, fluffy tail. / The fruit of this tree.

(botany) A tree that bears chestnuts; a tree of the genus Castanea

Any of several tree species of genus Aesculus, especially Aesculus hippocastanum, common in temperate northern hemisphere. / The large nutlike seed of these trees.