Meaning of “extinguisher” - Learner’s Dictionary

extinguisher

noun [ C ] uk us /ɪkˈstɪŋɡwɪʃər/ (also fire extinguisher)

a piece of equipment shaped like a tube, which is used to spread a substance onto a fire to stop it burning

(Definition of “extinguisher” from the Cambridge Learner’s Dictionary © Cambridge University Press)