Meanings
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1
noun
One of the two organs in the body that filter waste from the blood and produce urine.
Urine passes out of the kidney to the bladder through tubes called ureters.
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2
noun
This organ of an animal, cooked and eaten as food.
He ordered a traditional pie filled with steak and kidney.
Thesaurus
Etymology
From Middle English kideney, kydeney, alteration of earlier kidenere (“kidney”) after ey (“egg”), of obscure origin and formation. Probably a compound consisting of Middle English *kidde (“sack”) + Middle English nere (“kidney”). The first element would be from Old English *cydde (“sack, scrotum”), from Proto-Germanic *kuddijā (“sack”), as the terms for testicle and kidney were often interchangeable in Germanic (compare Old High German nioro (“kidney", also "testicle”), Old Swedish vig-niauri (“testicle”)); the second is from Old English *nēora or Middle Low German nêre (“kidney”), from Proto-…