Definition of "gastroenteritis" [‖Gas•tro•en•te•ri•tis]

• Inflammation of the mucous membrane of the stomach and intestines. (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.

• "Noroviruses stomach fluAlso called gastroenteritis, this group of related viruses causes diarrhea, vomiting and stomach pain."
• "So he's being treated for hemorrhagic gastroenteritis, which is apparently something that can come on suddenly like this and produce the same symptoms we're seeing in Jasper."
• "Influenza can produce nausea and vomiting, especially in children, but these symptoms are more common in the unrelated disease gastroenteritis, which is sometimes called "stomach flu" or "24-hour flu"."