Lavage

n. rinsing, washing; irrigation, cleansing (Medicine); cleansing of the stomach (Medicine)

In medicine, "lavage" is a general term referring to cleaning or rinsing. Specific types include:Antiseptic lavageBronchoalveolar lavageGastric lavagePeritoneal lavageArthroscopic lavageDuctal lavageEar lavage
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Lavage /la·vage/ 1. the irrigation or washing out of an organ, as of the stomach or bowel. 2. to wash out, or irrigate. lav·age n. [more]Lavage - Community and Resources

Noun
1. washing out a hollow organ (especially the stomach) by flushing with water
(hypernym) irrigation
(hyponym) gastric lavage
(derivation) wash, lave

n. lavement, washing, scrubbing