- lavage⇄lavage, noun, verb, -aged,-aging.
- lavage⇄noun 1. a laving or washing.
2. (Medicine.)
a. a washing out of the stomach, intestines, or other organs.
Ex. gastric lavage.
b. a cleansing by means of injection, as of a saline solution. - lavage⇄v.t. (Medicine.) to wash out or cleanse (a wound or organ).