回乳劑; 止乳藥
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.
lactifuge n : any agent that reduces milk secretion (as given to a woman who not breast feeding)