Source : Webster's Revised Unabridged Dictionary (1913)

Epispadias \Ep`i*spa"di*as\, n. [NL., fr. Gr. 'epi` upon + ? to
   draw, rend.] (Med.)
   A deformity in which the urethra opens upon the top of the
   penis, instead of at its extremity.

Source : WordNet®

epispadias
     n : a congenital abnormality in males in which the urethra is on
         the upper surface of the penis