kidney kidney /ˈkɪdni/

noun

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