buttermilk

[ buht-er-milk ]
/ ˈbʌt ərˌmɪlk /

noun

the more or less acidulous liquid remaining after butter has been separated from milk or cream.
a similar liquid made from whole or skim milk with the addition of a bacterial culture.

Origin of buttermilk

First recorded in 1520–30; butter + milk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for buttermilk

British Dictionary definitions for buttermilk

buttermilk

/ (ˈbʌtəˌmɪlk) /

noun

the sourish liquid remaining after the butter has been separated from milk, often used for making scones and soda bread
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012