chestnut

Universal Words noun, adjective noun 1 (also chestnut tree) [C] a large tree with spreading branches, that produces smooth brown nuts inside prickly cases. There are several types of chestnut tree. seealsoHORSECHESTNUT 2 [C] a smooth brown nut of a chestnut tree, some types of which can be eaten: roast chestnuts * The dessert was a rich mixture of chestnut puree and cream. seealsoWATERCHESTNUT compareCONKER 3 [U] a deep reddish-brown colour 4 [C] a horse of a reddish-brown colour 5 [C] (informal) an old joke or story that has been told so many times that it is no longer amusing or interesting adjective reddish-brown in colour