Source : Webster's Revised Unabridged Dictionary (1913)

Tryout \Try"out\, n. (Sports)
   A test by which the fitness of a player or contestant to
   remain in a certain class is determined.

Source : WordNet®

tryout
     n 1: trying something to find out about it; "a sample for ten
          days free trial"; "a trial of progesterone failed to
          relieve the pain" [syn: {trial}, {trial run}, {test}]
     2: a test of the suitability of a performer [syn: {audition}]