Standard Lemma guide

pylorus

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

In vertebrates, including humans, a zone at the lower end of the stomach that leads to and opens into the duodenum.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, biology, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a small circular opening between the stomach and the duodenum

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: orifice, opening, porta

History

Etymology

From Latin pylōrus, from Ancient Greek πυλωρός (pulōrós, “gatekeeper”).

Across languages

Translations

22 source translations are retained for this English entry.

  • Arabic: بَوَّاب (bawwāb) — opening between the stomach and duodenum
  • Bulgarian: пилор (pilor) — opening between the stomach and duodenum
  • Catalan: pílor — opening between the stomach and duodenum
  • Chinese Mandarin: 幽门 (yōumén) — opening between the stomach and duodenum
  • Czech: vrátník — opening between the stomach and duodenum
  • Finnish: mahanportti — opening between the stomach and duodenum
  • Finnish: pylorus — opening between the stomach and duodenum
  • French: pylore — opening between the stomach and duodenum
  • German: Magenpförtner — opening between the stomach and duodenum
  • German: Magenausgang — opening between the stomach and duodenum
  • Ancient Greek: πυλωρός (pulōrós) — opening between the stomach and duodenum
  • Hungarian: gyomorkapu — opening between the stomach and duodenum
  • Japanese: 幽門 (yūmon) — opening between the stomach and duodenum
  • Persian: بواب (bavvāb) — opening between the stomach and duodenum
  • Persian: پیلور (pīlor) — opening between the stomach and duodenum
  • Polish: odźwiernik — opening between the stomach and duodenum
  • Portuguese: piloro — opening between the stomach and duodenum
  • Russian: привратник желудка (privratnik želudka) — opening between the stomach and duodenum
  • Spanish: píloro — opening between the stomach and duodenum
  • Swedish: nedre magmunnen — opening between the stomach and duodenum
  • Swedish: pylorus — opening between the stomach and duodenum
  • Swedish: pylorussfinktern — opening between the stomach and duodenum