Source : Webster's Revised Unabridged Dictionary (1913)

Reiter \Rei"ter\ (r?"t?r), n. [G., rider.]
   A German cavalry soldier of the fourteenth and fifteenth
   centuries.

Source : WordNet®

Reiter
     n : German bacteriologist who described a disease now known as
         Reiter's syndrome and who identified the spirochete that
         causes syphilis in humans (1881-1969) [syn: {Hans Conrad
         Julius Reiter}]