Definition of lavage in US English:



  • Washing out of a body cavity, such as the colon or stomach, with water or a medicated solution.

    • ‘Active core rewarming also can be accomplished by warm lavage of several body cavities.’
    • ‘Pulmonary compromise was induced by repeated normal saline solution lavage.’
    • ‘Gastric lavage has been found to retrieve less than 30 percent of the toxin when performed one hour after ingestion.’
    • ‘Nasal lavage and sputum induction were performed and processed as reported earlier.’
    • ‘Nasal lavage fluid levels of secretoneurin were measured by a radioimmunoassay, as described previously.’
    • ‘The patient would probably benefit from doing transbronchial biopsies with the lavage if that is the prime consideration.’
    washing, cleansing, bathing, showering, scrubbing, purification
    View synonyms


Late 18th century (in the general sense ‘washing, a wash’): from French, from laver ‘to wash’.