n. An agent that promotes the secretion and flow of milk. [found in "Alcohol’s Effect on Lactation," Julie Mennella, Ph. D., published by the NIAAA/NIH]
also, galactagogic, adj.
also, galactagoguery, n., the title of a 1939 Time Magazine article on random prolactin injections
not related: Galacta God, n., A 13-year-old nerd with an 8Mb IBM PC who clears all 256 levels of alien invaders without losing a ship.