Definition of laryngeals:
(adj) :
(anatomy, relational) Of or pertaining to the larynx.
(n) :
(anatomy) An anatomical part (such as a nerve or artery) that supplies or is associated with the larynx.
(adj) :
(phonetics, relational) (of a speech sound) 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."
(n) :
(phonetics) A sound uttered by using the larynx.
(n) :
(Indo-European linguistics) In Proto-Indo-European, one of the typically three reconstructed consonants usually marked as ⟨h₁⟩, ⟨h₂⟩ and ⟨h₃⟩.