'Lactifuge' definitions:

Definition of 'lactifuge'

From: WordNet
noun
Any agent that reduces milk secretion (as given to a woman who is not breast feeding)

Definition of 'Lactifuge'

From: GCIDE
  • Lactifuge \Lac"ti*fuge\, n. [L. lac, lactis, milk + fugare to expel.] (Med.) A medicine to check the secretion of milk, or to dispel a supposed accumulation of milk in any part of the body. [1913 Webster]