milk definition

1. a white nutritious liquid secreted by mammals and used as food by human beings
2. produced by mammary glands of female mammals for feeding their young
3. a river that rises in the Rockies in northwestern Montana and flows eastward to become a tributary of the Missouri River
4. any of several nutritive milklike liquids
5. take milk from female mammals
• examples: Cows need to be milked every morning
6. exploit as much as possible
• examples: I am milking this for all it's worth
7. add milk to
• examples: milk the tea