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kidney

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noun, kid·ney \ˈkid-nē\

Simple 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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of kidney

plural kidneys

  1. 1 a :  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 412 inches (1112 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. 2 :  the kidney of an animal eaten as food

  3. 3 :  sort or kind especially with regard to temperament <a nice helpful guy, of a different kidney entirely from the … Secret Police — Paula Lecler>

Examples of kidney in a sentence

  1. a patient with a damaged kidney

  2. <her new boyfriend is of a different kidney than what she usually dates>



Origin of kidney

Middle English


First Known Use: 14th century

Rhymes with kidney


KIDNEY Defined for Kids

kidney

play
noun kid·ney \ˈkid-nē\

Definition of kidney for Students

plural kidneys

  1. :  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




Medical Dictionary

kidney

play
noun kid·ney \ˈkid-nē\

Medical Definition of kidney

plural kidneys

  1. 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 412 inches (1112 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. 2:  any of various excretory organs of invertebrate animals



Illustration of kidney



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