1. the liquid that remains after butter has been churned from cream
Usage: traditional
2. a cultured dairy product made by adding bacterial cultures to milk, with a tangy flavor

Examples

• She used buttermilk to make fluffy pancakes.
• The recipe calls for one cup of buttermilk.
• Buttermilk gives biscuits their tender texture.
• He drank a glass of cold buttermilk with his meal.
• The bakery uses buttermilk in their famous cornbread.
• Buttermilk has a slightly sour taste compared to regular milk.