Typhoid is a dangerous fever caught from dirty water or food. Typhoid fever, a typhoid outbreak, vaccinated against typhoid.
It is spread by sewage reaching drinking water, which is why it vanished from rich countries with sanitation and is still common where that is lacking. Typhoid Mary was a cook in New York who carried it without symptoms and infected dozens.
1nountyphoidA dangerous fever caught from dirty water or food.
“Before clean water arrived, typhoid killed many people in the crowded city.”
typhoid is a disease.
From typhus plus -oid, meaning resembling typhus, though the two diseases are unrelated.
From typhus + -oid.
Etymology from Wiktionary, CC BY-SA