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English definition of “epiglottis”

epiglottis

noun [C] uk   /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 lungs
(Definition of epiglottis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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