i.e., Take away my milk, and replace it with gall.
Note the reference to the four humours (blood, yellow bile, black bile, and phlegm) and, in particular, to gall, which comes from an excess of yellow bile. An imbalance of yellow bile in the body turns one ruthless and insolent.
For more on this passage please see the annotations at the bottom of the main page of Macbeth 1.5
How to cite this article:
Mabillard, Amanda. Macbeth Glossary. Shakespeare Online. 20 Aug. 2000. (date when you accessed the information) < http://www.shakespeare-online.com/plays/macbeth/macbethglossary/macbeth1_1/macbethglos_milkgall.html >.
