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| kid·ney [ kídnee ] (plural kid·neys) |
noun |
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| Definition: |
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1. waste-removing vertebrate organ: either of a pair of organs in the abdomen of vertebrates that filter waste liquid resulting from metabolism of the blood, which is subsequently excreted as urine
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2. invertebrate organ: the organ in invertebrates that filters waste material for excretion
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3. animal kidney as food: the kidney of a pig, calf, ox, or lamb, eaten as meat
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4. kind: a kind, type, or disposition
(
dated
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 a person of a very different kidney
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| [14th century. Origin ?] |
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