'Epiglottis' definitions:

Definition of 'epiglottis'

(from WordNet)
noun
A flap of cartilage that covers the windpipe while swallowing

Definition of 'Epiglottis'

From: GCIDE
  • Epiglottis \Ep`i*glot"tis\, n. [NL., fr. Gr. ?; 'epi` upon + ?, ?, tongue. See Glottis.] (Anat.) A cartilaginous lidlike appendage which closes the glottis while food or drink is passing while food or drink is passing through the pharynx. [1913 Webster]