Opening of the larynx where the voice is generated

• Lies accompanying divination in great speaker's opening
• The true vocal folds and the space between them where the voice tone is generated
• Opening between the vocal cords
• Throat part
• Location of the human vocal folds

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1570s, from Greek glottis "mouth of the windpipe," from glotta , Attic dialect variant of glossa "tongue" (see gloss (n.2)).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
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 .

WordNet Word definitions in WordNet
n. the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated [also: glottides (pl)]

Wiktionary Word definitions in Wiktionary
n. (context anatomy English) The opening between the true vocal cord, located in the larynx.