Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun kidney

1 sense of kidney

Sense 1
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")
       => excretory organ, urinary organ -- (an organ that separates waste substances from the blood and discharges them)