Standard Lemma guide

Roux-en-Y

noun · 1 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

A surgical technique where the digestive tract is rearranged into a Y-shaped connection, usually by creating a small stomach pouch and rerouting the small intestine. It’s most commonly used in weight-loss surgery (gastric bypass) to reduce food intake and calorie absorption.

Definition source: English Wiktionary via Wiktextract

Usage: attributive, uncountable

Topics: medicine, sciences, surgery

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From French; named after César Roux, the surgeon who first described it.