gastric lavage noun1 •A procedure consisting of diluting then emptying the contents of the stomach with a tube via the nose or mouth, most commonly performed following an overdose or poison ingestion, or in preparation for surgery.Others have used a multitherapy approach, including gastric lavage with acetylcysteine and nystatin, as well as oral papain and promotility therapy with metoclopramide. — 2002 formsgastric lavages
