Definition of "pylorus" []

• The passage at the lower end of the stomach that opens into the duodenum. (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.

• "To the dictionary I went. and found that the pylorus is the opening from the stomach into the intestine."
• "His pylorus is continually tickled by a mysterious flame but he is unable to recall anything."
• "Warren and Marshall called it Helicobacter pylori—helicobacter for its appearance, and pylorus from the Latin for “gatekeeper,” for its location near the outlet valve of the stomach."