'Glottis' definitions:

Definition of 'glottis'

From: WordNet
noun
The vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated

Definition of 'Glottis'

From: GCIDE
  • Glottis \Glot"tis\, n. [NL., fr. Gr. ?, ?, from ?, ?, the tongue. See Gloss an explanatory remark.] (Anat.) The opening from the pharynx into the larynx or into the trachea. See Larynx. [1913 Webster]