glottis

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

• speech organ, vocal organ — any of the organs involved in speech production

• rima glottidis, rima vocalis, true glottis, glottis vera — the space between the two true vocal folds

• larynx, voice box — a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech