Definition of "trench mouth" []

• 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.