Source : Webster's Revised Unabridged Dictionary (1913)

Agalactia \Ag`a*lac"ti*a\, Agalaxy \Ag"a*lax`y\, n. [Gr. ?; 'a
   priv. + ?, ?, milk.] (Med.)
   Failure of the due secretion of milk after childbirth.

Source : WordNet®

agalactia
     n : a condition in which milk is not secreted in the mother's
         breasts after her child has been delivered [syn: {agalactosis}]