Added 10 October 2026 lavage noun Categories: ActionsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about lavage at Wordnik → Where our words come from → Washing out a hollow organ (especially the stomach) by flushing with water. Related Words: washouthandwashingwashingwashlaundryscrubbingscrubberwasherflushingcleaningbackwashbronchoalveolar Back to today's word