n., pl., -lo·ri (-lôr'ī', -lōr'ī').
The passage at the lower end of the stomach that opens into the duodenum.
[Late Latin pylōrus, from Greek pulōros : pulē, gate + ouros, guard.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
