kidney

[ kid-nee ]

noun

, plural kid·neys.

1. Anatomy. either 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.
2. Zoology. a corresponding organ in other vertebrate animals or an organ of like function in invertebrates.
3. the meat of an animal's kidney used as food.
4. constitution or temperament:

   He was a quiet child, of a different kidney from his boisterous brothers.

5. kind, sort, or class:

   He is only at ease with men of his own kidney.

kidney

/ ˈkɪdnɪ /

noun

1. either of two bean-shaped organs at the back of the abdominal cavity in man, one on each side of the spinal column. They maintain water and electrolyte balance and filter waste products from the blood, which are excreted as urine nephriticrenal
2. the corresponding organ in other animals
3. the kidneys of certain animals used as food
4. class, type, or disposition (esp in the phrases of the same or a different kidney )

kidney

/ kĭd′nē /

1. Either of a pair of organs that are located in the rear of the abdominal cavity in vertebrates. The kidneys regulate fluid balance in the body and filter out wastes from the blood in the form of urine. The functional unit of the kidney is the nephron. Wastes filtered from the blood by the nephrons drain into the ureters, muscular tubes that connect each kidney to the bladder.
2. See also nephron

Derived Forms

• ˈkidneyˌlike, adjective

Other Words From

• kidney·like adjective

Word History and Origins

Origin of kidney¹

1275–1325; Middle English kidenei, kidenere (singular), kideneres, kideneren (plural); origin uncertain; perhaps 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) egg ¹, Old English ǣg (singular), ǣgru (plural) (by association with the organ's shape); for the first element compare dial. kid pod (akin to cod ² )

Word History and Origins

Origin of kidney¹

C14: of uncertain origin

Example Sentences

Initially treated in a corridor, the great-grandmother was also diagnosed with an acute kidney injury.

From BBC

People in the clinical at-risk groups include anyone with conditions that affect breathing, some heart conditions, kidney or liver disease, diabetes and some conditions that affect the brain or nerves, such as Parkinson's disease, motor neurone disease, multiple sclerosis or cerebral palsy.

From BBC

They include people with autoimmune diseases, blood diseases, cancer, kidney conditions and trauma injuries.

From BBC

The former Disney Channel child star revealed in 2017 that she had undergone a kidney transplant due to lupus nephritis, where the autoimmune disease lupus causes a person’s kidneys to fail.

From Los Angeles Times

Supporters say Proposition 4, to enact the Safe Drinking Water, Wildfire Prevention, Drought Preparedness, and Clean Air Bond Act of 2024, would jump-start upgrades by authorizing grants and loans for local governments to repair water systems contaminated with lead, arsenic, nitrates, or other chemicals tied to cancer, liver and kidney problems, and other serious health issues.

From Salon

Related Words

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