• (a.) Situated under the epiglottis.
Sub·ep`i·glot'tic adjective (Anat.) Situated under the epiglottis. 
subepiglottic Situated under the epiglottis (cartilaginous lidlike appendage, or connective tissue, which closes the glottis while food or drink is passing while food or drink is passing through the pharynx).