Definitions

1. verb

to pronounce or utter a sound with the glottis, or vocal cords, closed or almost closed

“The linguist argued that the sound of ‘t’ in the word ‘butter’ is glottalized in some dialects.”

2. verb

to change the pronunciation of a word so that it is pronounced with the glottis closed or almost closed

“The language teacher helped her students glottalize their pronunciation of the word ‘kite’.”