D defs.my
Entry 1 sense Webster, 1913

Buttermilk

/bŭt'-ẽrm-ĭlkˌ/ · But·ter·milk · IPA /ˈbʌtɚˌmɪlk/
01 n. The milk that remains after the butter is separated from the cream.
  1. 1.
    The milk that remains after the butter is separated from the cream.