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Noun: kidney  kidnee
  1. Either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
    "urine passes out of the kidney through ureters to the bladder"

Derived forms: kidneys

See also: adrenal, renal

Type of: excretory organ, urinary organ

Part of: urinary tract

Encyclopedia: Kidney