Definition of supralaryngeal in US English:

supralaryngeal

adjective

  • 1Located above the larynx.

  • 2Chiefly Phonetics. Of or relating to the part of the vocal tract located above the larynx; (of a speech sound or articulation) produced in this part of the vocal tract (rather than in the larynx).

Origin

Mid 19th century; earliest use found in Edinburgh Medical and Surgical Journal. From supra- + laryngeal.