Definition: In linguistics, "superglottally" refers to a specific type of vowel sound that is produced by the tongue of an infant or child. This type of vowel sound is often referred to as "pangraphal," and it is characterized by its unique shape and pitch. The pronunciation of superglottally differs from the production of other vowels in the English language, such as "y" (which is produced by the tongue on the back edge) or "u" (which