gastric lavage is a noun meaning "washing out the stomach with sterile water or a saltwater solution; removes blood or poisons". It carries one recorded sense.
washing out the stomach with sterile water or a saltwater solution; removes blood or poisons
“when the doctor ordered a gastric lavage the hospital pumped out my stomach”
Definitions, synonyms and semantic relations for gastric lavage come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.