1. (n.) The edible nut of a forest tree (Castanea vesca) of Europe and America. Commonly two or more of the nuts grow in a prickly bur.

2. (n.) The tree itself, or its light, coarse-grained timber, used for ornamental work, furniture, etc.

3. (n.) A bright brown color, like that of the nut.

4. (n.) The horse chestnut (often so used in England).

5. (n.) One of the round, or oval, horny plates on the inner sides of the legs of the horse, and allied animals.

6. (n.) An old joke or story.

7. (a.) of the color of a chestnut; of a reddish brown color; as, chestnut curls.

Joe Miller Titian adust auburn banality bay bay-colored bayard brazen bromide bronze bronze-colored bronzed brownish-red buckskin calico pony carroty castaneous chestnut-brown cliche commonplace commonplace expression copper copper-colored coppery corn cupreous dapple-gray dun erythristic familiar tune ferruginous foxy gray grizzle hackneyed saying henna joke with whiskers lieu commun liver-brown liver-colored livid-brown locus communis mahogany old joke old saw old song old story old turkey old wheeze paint painted pony piebald pinto platitude prosaicism prosaism prose red-crested red-haired red-polled red-tufted reddish-brown reiteration retold story roan rubiginous rufous russet russety rust rust-colored rusty skewbald sorrel stereotyped saying sunburned terra-cotta trite joke trite saying triticism twice-told tale warmed-over cabbage xanthous