an infectious disease characterized by ulceration of the mucous membranes of the mouth and throat and caused by a bacterium (Fusobacterium nucleatum) often in conjunction with a spirochete (Treponema vincentii)
See trench mouth in American Heritage Dictionary 4
noun
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.