Source : Webster's Revised Unabridged Dictionary (1913)

Trachoma \Tra*cho"ma\, n. [NL., fr. Gr. ? roughness, fr. ?
   rough.] (Med.)
   Granular conjunctivitis due to a specific micrococcus. --
   {Tra*chom"a*tous}, a.

Source : WordNet®

trachoma
     n : a chronic contagious viral disease marked by inflammation of
         the conjunctiva and cornea of the eye and the formation
         of scar tissue