from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A painful infection of the mouth and throat characterized by ulcerations of the mucous membranes, bleeding, and foul breath. It is caused by the bacterium Fusobacterium fusiforme in combination with the spirochete Treponema vincentii. Also called Vincent's angina, Vincent's infection.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Acute necrotizing ulcerative gingivitis, a severe bacterial infection of the gums, typically characterized by inflammation, bleeding, deep ulceration, necrotized tissue, pain, fever, enlarged lymph nodes, fatigue, and halitosis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane
From its occurrence among soldiers in trenches.(American Heritage® Dictionary of the English Language, Fourth Edition)
Probably coined during World War I when the disease was common among soldiers "in the trenches." (Wiktionary)