DuckCorp Dico

Found one definition

1.                 From The Devil's Dictionary (1881-1906):
                   
   
   
                   
                     
   RANK, n.  Relative elevation in the scale of human worth.
       He held at court a rank so high
       That other noblemen asked why.
       "Because," 'twas answered, "others lack
       His skill to scratch the royal back."
                                                             Aramis Jukes