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kidney

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noun American English pronunciation: kidney /ˈkɪdni/ 
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singularkidney
pluralkidneys

Related dictionary definitions

  1. 1
    [countable] one of the two organs in your body that clean your blood and remove waste

    kidney failure/disease

    a kidney transplant

    They had to remove his kidney.

  2. 2
    [countable/uncountable] the kidney of some animals eaten as food

    steak and kidney pie

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