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English definition of “epiglottis”

epiglottis

noun [C]     /ˌep.ɪˈɡlɒt.ɪs/ US  /-ˈɡlɑː.t̬ɪs/ specialized
a small flat part at the back of the tongue that closes when you swallow to prevent food from entering the tube which goes to the lungsThe mouth and throat
(Definition of epiglottis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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