1.A white liquid produced by the mammary glands of female mammals to nourish their young. From certain animals, especially cows, it is also called dairy milk and is a common food for humans as a beverage or used to produce various dairy products such as butter, cheese, and yogurt.
2.A white (or whitish) liquid obtained from a vegetable source such as almonds, coconuts, oats, rice, or soy beans.