Source : Webster's Revised Unabridged Dictionary (1913)

Hippodrome \Hip"po*drome\, n. (Sports)
   A fraudulent contest with a predetermined winner. [Slang, U.
   S.]

Hippodrome \Hip"po*drome\, v. i. [imp. & p. p. {-dromed}; p. pr.
   & vb. n. {-droming}.] (Sports)
   To arrange contests with predetermined winners. [Slang, U.
   S.]

Hippodrome \Hip"po*drome\, n. [L. hippodromos, Gr. ?; "i`ppos
   horse + ? course, fr. ? to run: cf. F. hippodrome.]
   1. (Gr. Antiq.) A place set apart for equestrian and chariot
      races.

   2. An arena for equestrian performances; a circus.

Source : WordNet®

hippodrome
     n : a stadium for horse shows or horse races