glottal stop in American English
a speech sound (IPA symbol [ʾ]) articulated by a momentary complete closing of the glottis
noun: a plosive consonant whose occlusion and release are accomplished chiefly at the glottis, as in the Scottish articulation of the t- sound of little, bottle, etc
glottal stop in British English
noun: a plosive speech sound produced as the sudden onset of a vowel in several languages, such as German, by first tightly closing the glottis and then allowing the air pressure to build up in the trachea before opening the glottis, causing the air to escape w