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
   
   

 cardinal cardinal /ˈkɑːrdɪnəl/

adjective

1. () Serving as an essential component  ( primal , cardinal , key , central , fundamental )
   serving as an essential component
    A cardinal rule
   a cardinal rule
    The central cause of the problem
   the central cause of the problem
    An example that was fundamental to the argument
   an example that was fundamental to the argument
    Computers are fundamental to modern industrial structure
   computers are fundamental to modern industrial structure
   
2. Being or denoting a numerical quantity but not order  ( cardinal )
   being or denoting a numerical quantity but not order
    Cardinal numbers
   cardinal numbers
   

noun

1. () (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes  ( cardinal )
   (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
    In the Vatican, the cardinal plays a significant role in advising the Pope.
   In the Vatican, the cardinal plays a significant role in advising the Pope.
   
   
2. Crested thick-billed North American finch having bright red plumage in the male  ( cardinal , cardinal grosbeak , Cardinalis cardinalis , redbird , Richmondena Cardinalis )
   crested thick-billed North American finch having bright red plumage in the male
   
   
3. A variable color averaging a vivid red  ( cardinal , carmine )
   a variable color averaging a vivid red
   
   
4. The number of elements in a mathematical set; denotes a quantity but not the order  ( cardinal , cardinal number )
   the number of elements in a mathematical set; denotes a quantity but not the order
   

 extern extern /ˈɛkstɝn/

noun

1. () A nonresident doctor or medical student; connected with a hospital but not living there  ( medical extern , extern )
   a nonresident doctor or medical student; connected with a hospital but not living there
   
   

 unwellness unwellness /ʌnˈwɛlnəs/

noun

1. Impairment of normal physiological function affecting part or all of an organism  ( unwellness , malady , sickness , illness )
   impairment of normal physiological function affecting part or all of an organism
    I'm feeling under the weather and think I might be coming down with an illness
   I'm feeling under the weather and think I might be coming down with an illness