chestnut

/ˈtʃesnʌt/ noun

Definition

NUT/TREE [C] › a nut that has a shiny, red-brown surface and is white inside, or the tree that produces these nuts: roasted chestnuts

COLOUR [C, U] › a dark red-brown colour → See also horse chestnut

(Definition of chestnut noun from the Cambridge Learner's Dictionary © Cambridge University Press)

to get rid of something or someone that is not wanted or needed

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