• (British) IPA: /ˈkɪdni/

kidney (plural kidneys)

1. An organ in the body that filters the blood, producing urine.
2. This organ (of an animal) cooked as food.
3. (figuratively, dated) Constitution, temperament, nature, type, character, disposition. (usually used of people)
   • c. 1597, William Shakespeare, “The Merry VViues of VVindsor”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act V, (please specify the scene number in lowercase Roman numerals)]:

     {...}} think of that, – a man of my kidney, – think of that, {{...}

   • millions in the world of this man's kidney

   • Your poets, spendthrifts, and other fools of that kidney, pretend, forsooth, to crack their jokes on prudence.

4. (obsolete, slang) A waiter.

• rein
• nephros
• ren

• French: rein
• German: Niere
• Italian: rene
• Portuguese: rim
• Russian: по́чка
• Spanish: riñón

• French: rognon
• Italian: rognone
• Portuguese: rim
• Russian: по́чки

1. Surname