glottal stop
Definition - A speech sound that is made by closing the vocal cords and then releasing them.

Example -
A cough is a type of glottal stop.

Etymology -
The word glottal derives from the Greek glottis, mouth of the windpipe (from glotta, the Attic dialect variant of glossa, tongue).

Oxford English Dictionary -
Its first citation is from 1888:
"The Glottal stop is produced by a sudden shutting or opening of the glottis, as in a cough."
(I Hist. Eng. Sounds 1)

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