Webster’s Revised Unabridged Dictionary · 1913 Glottis Glot′tis (lŏt′tĭs), n. [NL., fr. Gr. γλωττίς, γλωσσίς, from γλῶττα, γλῶσσα, the tongue. See Gloss an explanatory remark.] (Anat.) The opening from the pharynx into the larynx or into the trachea. See Larynx. ‹ Glottic Glottological ›