Auburn

Etymology
Early Modern English auburn "brown, reddish brown" from aubourne, abron, abroune, abrune "light brown, yellowish brown, blond", alteration (due to conflation with  brun "brown") of earlier auborne "yellowish-white, flaxen" from  auborne, alborne "blond, flaxen, off-white" from Medieval Latin alburnus "whitish" from Latin albus "white". More at albino, brown

Noun

 * 1) A dark reddish-brown colour, often used to describe hair colour.

Adjective

 * 1) Of a reddish-brown colour.

Synonyms

 * cupreous

Thesaurus
Titian; adust; bay; bay-colored; bayard; brazen; bronze; bronze-colored; bronzed; brownish-red; carroty; castaneous; chestnut; chestnut-brown; copper; copper-colored; coppery; cupreous; erythristic; ferruginous; foxy; henna; liver-brown; liver-colored; livid-brown; mahogany; red-crested; red-haired; red-polled; red-tufted; reddish-brown; roan; rubiginous; rufous; russet; russety; rust; rust-colored; rusty; sunburned; terra-cotta; xanthous