From Longman Dictionary of Contemporary EnglishRelated topics: Daily lifefire extinguisherˈfire exˌtinguisher noun [countable]TDa metal container with water or chemicals in it, used for stopping small firesExamples from the Corpusfire extinguisher• His neck was broken when Sigsworth hit him with a fire extinguisher.• He turned to look out his door window, to make sure some one was posted there with a fire extinguisher.