Search Result for "glottis": 
Wordnet 3.0

NOUN (1)

1. the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated;


The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

glottis n 1: the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated