• (a.) Situated below the glottis; -- applied to that part of the cavity of the larynx below the true vocal cords.
Sub·glot'tic adjective (Anat.) Situated below the glottis; -- applied to that part of the cavity of the larynx below the true vocal cords. 
Type: Term Pronunciation: sŭb-glot′ik Synonyms: infraglottic