sour milk

1. 1.

   milk that has turned sour

   Broadermilk

Questions about sour milk

What does sour milk mean?

sour milk means "milk that has turned sour".

Is sour milk a common word?

sour milk is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.