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WordReference Random House Learner's Dictionary of American English © 2024kid•ney /ˈkɪdni/USA pronunciation n. [countable], pl. -neys. - Anatomyone of a pair of organs in the rear of the upper abdomen that filter waste from the blood, produce uric acid or urea, and maintain water balance in the body.
WordReference Random House Unabridged Dictionary of American English © 2024kid•ney (kid′nē),USA pronunciation n., pl. -neys. - Anatomyeither of a pair of bean-shaped organs in the back part of the abdominal cavity that form and excrete urine, regulate fluid and electrolyte balance, and act as endocrine glands.
- Zoologya corresponding organ in other vertebrate animals or an organ of like function in invertebrates.
- Foodthe meat of an animal's kidney used as food.
- constitution or temperament:He was a quiet child, of a different kidney from his boisterous brothers.
- kind, sort, or class:He is only at ease with men of his own kidney.
- 1275–1325; Middle English kidenei, kidenere (singular), kideneres, kideneren (plural); origin, originally uncertain; perh. a compound based either on nere (singular), neres (plural) kidney (Old English *nēore; compare Old High German nioro, Old Norse nȳra); or ei (singular), eiren (plural) egg1, Old English ǣg (singular), ǣgru (plural) (by association with the organ's shape); for the first element compare dialect, dialectal kid pod (akin to cod2)
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