kidney

noun
kid·​ney | \ ˈkid-nē How to pronounce kidney (audio) \
plural kidneys

Definition of kidney

1a : one of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 4¹/₂ inches (11¹/₂ centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into a main cavity whence it is conveyed by the ureter to the bladder
b : any of various excretory organs of invertebrate animals
2 : the kidney of an animal eaten as food
3 : sort or kind especially with regard to temperament a nice helpful guy, of a different kidney entirely from the … Secret Police— Paula Lecler

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Examples of kidney in a Sentence

a patient with a damaged kidney her new boyfriend is of a different kidney than what she usually dates

Recent Examples on the Web

The birds also had lower dissolved calcium in their bloodstream and more uric acid, which could be signs of kidney disfunction. Jason Daley, Smithsonian, "Eating Even One Piece of Plastic Has Health Consequences for Baby Seabirds," 5 Aug. 2019 The cause was complications of kidney and heart disease, his son Edward said. New York Times, "Arthur Lazarus Jr., Champion of Native American Rights, Dies at 92," 4 Aug. 2019 Aurora Cancer Care found a small spot of renal cell carcinoma on Ripple’s left kidney. Lori Nickel, Milwaukee Journal Sentinel, "Chin Up: Swimmer survives cancer - thanks in part to being fit - then conquers the water," 4 Aug. 2019 Hemorrhagic softening of the myocardium, liver, kidneys and spleen. Dawn Mitchell, Indianapolis Star, "John Dillinger's last meal included red peppers. What we know about the outlaw's autopsy and burial.," 2 Aug. 2019 The company focused on a condition called acute kidney injury (AKI) that contributes to more than 300,000 deaths in the U.S. each year. Jeremy Kahn, Fortune, "DeepMind’s Latest A.I. Predicts Kidney Injuries 48 Hours in Advance," 31 July 2019 The government now strongly backs efforts by Lai and others to create pig organs that could help people with eye problems, diabetes, kidney and liver failure, and heart disease. Jon Cohen, Science | AAAS, "China’s CRISPR push in animals promises better meat, novel therapies, and pig organs for people," 31 July 2019 The company's stock price took a jump in mid-July after President Donald Trump signed an executive order designed to trim what the federal government spends on care for kidney patients. Grace Schneider, The Courier-Journal, "Humana's 50,000 employees will see higher bonuses after strong quarter," 31 July 2019 High blood pressure in pregnancy just exacerbates that, placing even more strain on organs like your heart and kidneys, ACOG says. Patia Braithwaite, SELF, "11 Health Conditions You Should Know About If You’re Black and Pregnant," 30 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kidney.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of kidney

14th century, in the meaning defined at sense 1a

History and Etymology for kidney

Middle English

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Statistics for kidney

Last Updated

9 Aug 2019

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Time Traveler for kidney

The first known use of kidney was in the 14th century

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More Definitions for kidney

kidney

noun

English Language Learners Definition of kidney

: either of two organs in your body that remove waste products from your blood and make urine
: an animal kidney used as food

kidney

noun
kid·​ney | \ ˈkid-nē How to pronounce kidney (audio) \
plural kidneys

Kids Definition of kidney

: either of a pair of organs near the backbone that give off waste from the body in the form of urine and in humans are bean-shaped

kidney

noun
kid·​ney | \ ˈkid-nē How to pronounce kidney (audio) \
plural kidneys

Medical Definition of kidney

1 : one of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 4¹/₂ inches (11¹/₂ centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into the renal pelvis whence it is conveyed by the ureter to the bladder — compare mesonephros, metanephros, pronephros
2 : any of various excretory organs of invertebrate animals

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More from Merriam-Webster on kidney

Rhyming Dictionary: Words that rhyme with kidney

Thesaurus: All synonyms and antonyms for kidney

Spanish Central: Translation of kidney

Nglish: Translation of kidney for Spanish Speakers

Britannica English: Translation of kidney for Arabic Speakers

Britannica.com: Encyclopedia article about kidney

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