ep·i·glot·tis
noun/ˌepɪˈɡlɒtɪs/
/ˌepɪˈɡlɑːtɪs/
(anatomy)- a thin piece of tissue behind the tongue that prevents food or drink from entering the lungs
会厌 Word Originlate Middle English: from Greek epiglōttis, from epi ‘upon, near to’ + glōtta ‘tongue’.