1. Buttermilk Noun
Residue from making butter from sour raw milk; or pasteurized milk curdled by adding a culture.
How to make buttermilk ?
Milk a white nutritious liquid secreted by mammals and used as food by human beings.
Butter an edible emulsion of fat globules made by churning milk or cream; for cooking and table use; "Stop applying butter".
Culture the tastes in art and manners that are favored by a social group.
Milk a white nutritious liquid secreted by mammals and used as food by human beings; "Get the milk".