Hypertext Webster Gateway: "epiglottis"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (wn)
epiglottis
n : a flap of cartilage that covers the windpipe while
swallowing
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