Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

  • noun In the early church, a doorkeeper; an ostiary (which see).
  • noun In anatomy: The orifice of communication between the stomach and the intestine, by which the contents of the stomach pass into the intestine.
  • noun The fold of mucous membrane, containing muscular fibers, which guards the pyloric orifice, or other contrivance for retarding or opposing the passage of food from the stomach into the intestine.
  • noun The pyloric end or division of the stomach.
  • noun In Hydrozoa, a valvular structure which separates the gastric from the somatic cavity in the siphonophorous hydrozoans.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The opening from the stomach into the intestine.
  • noun A posterior division of the stomach in some invertebrates.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The opening in a vertebrate, including humans, at the lower end of the stomach that opens into the duodenum.
  • noun A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a small circular opening between the stomach and the duodenum

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Late Latin pylōrus, from Greek pulōros : pulē, gate + ouros, guard; see wer- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin, from πυλωρός (pulōros, "gatekeeper").

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.