Go Bad, Like Milk

This page is the CodyCross answer for the clue below from House of Horrors, Group 1109, Puzzle 2 (Bubbling Cauldron).

Question is: Go Bad, Like Milk

and the answer is: CURDLE

Word Meaning:

CURDLE — (ambitransitive) To form curds so that it no longer flows smoothly; to cause to form such curds. (usually said of milk)

Definitions from Wiktionary.