What is the meaning of Laryngeal?

Of or pertaining to the larynx.

Made by or with constriction of the larynx with only the front part of the vocal cords vibrating, giving a very low frequency and producing what is known as "creaky voice."

An anatomical part (such as a nerve or artery) that supplies or is associated with the larynx.

A sound uttered by using the larynx.

In Proto-Indo-European, one of the typically three reconstructed consonants usually marked as h₁, h₂ and h₃.

Source: wiktionary.org