chestnut

1. (UK) A horse-chestnut (Aesculus spp.).UKcountableuncountable

2. (uncountable) A dark, reddish-brown colour, as seen on the fruit of the chestnut tree.uncountable

3. (uncountable) Wood of a chestnut tree.uncountable

4. (figurative) An old joke; a worn-out meme, phrase, ploy, etc. so often repeated as to have grown tiresome or ineffective (often in the phrase "old chestnut").Examples: "Yep, this is a dance-leaning cover of the Matthew Wilder '80s pop chestnut. It has already saturated radio airwaves throughout Europe, with a number of programmers here already giving it positive feedback."; "Take greed. He’s been cited many times for what now has become a chestnut: “The point is, you can’t be too greedy.”"Synonyms: cliché, platitudecountablefigurativelyuncountable