名詞 glottis:

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

glot.tis

n.（名詞）
【復(fù)數(shù)】 glot.tis.es 或 glot.ti.des [-t-dôz.]
The opening between the vocal cords at the upper part of the larynx.
聲門：喉上部聲帶間的空隙
The vocal apparatus of the larynx.
喉部的發(fā)聲結(jié)構(gòu)

來源：
Greek glôttis
希臘語 glôttis
from glôtta, glôssa [tongue]
源自 glôtta, glôssa [舌]