walnut

/ˈwɔːlnʌt/ noun

Definition

NUT [C] › a nut that is in two halves inside a brown shell, and whose surface has curves and folds in it

WOOD [U] › the hard wood of the tree that produces walnuts, used to make furniture

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

to do something without worrying about the risk or negative results

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