Kidney

kid′ni, n. one of two flattened glands, on each side of the loins, which secrete the urine: temperament, humour, disposition—hence, sort or kind, as in 'of the same kidney,' .— ns. Kid′ney-bean , a kind of bean shaped like a kidney; Kid′ney-potā′to , one of various kidney-shaped varieties of the common potato; Kid′ney-vetch , a genus of leguminous plants, the only British species being called Lady's Fingers; Kid′ney-wort , a plant of the genus Saxifrage. [M. E. kidnere —Ice. kviðr , the womb, the belly, Ice. nýra (Ger. niere , a kidney).]