kidney

US /ˈkɪdni/

UK /'kɪdnɪ/

B2

noun

  • Body organ that cleans blood, producing urine
  • Either of the two bean-shaped organs in the abdominal cavity that filter blood and produce urine.
  • An animal kidney used as food.
  • Either of the two bean-shaped organs in the abdominal cavity that filter the blood, removing waste products which are then excreted as urine.

adjective

  • Having a reddish-brown color, like that of a kidney bean.
  • Relating to the kidneys.
  • Having the shape of a kidney; bean-shaped.