English · Body & Health
kidney
/ˈkɪd.ni/
[/ˈkɪd.ni/]
waste-filtering organ
Intermediatenoun
Definition
Either of two organs that filter waste from the blood to make urine.
Example
One healthy kidney can do the work of two if the other is removed.
One healthy kidney can do the work of two if the other is removed.
Etymology
From Middle English 'kidenei', of uncertain origin.
How & Where It’s Used
Central to talk of transplants and dialysis.