I am trying to find a synonym for the word "vomit" in its noun form. There are plenty of words used to express the action of ejecting matter from the stomach, but the only word I can find that refers to the actual material ejected is "vomit". I was hoping for a more formal word, but that seems near to impossible since I cannot even find informal ways to say it. I specifically am describing a murder in nineteenth century England which involves a poison that causes muscle spasms (and vomiting).
I checked thesaurus.com, macmillandictionary.com, merriam-webster.com, and Google's dictionary, but the only word provided was "vomit". Any ideas?