Source : Webster's Revised Unabridged Dictionary (1913)

Epididymitis \Ep`i*did`y*mi"tis\, n. [NL. See {Epididymis}, and
   {-itis}.] (Med.)
   Inflammation of the epididymis, one of the common results of
   gonorrhea.

Source : WordNet®

epididymitis
     n : painful inflammation of the epididymis