hyomandibular

Adjective

 * 1)  Relating to the hyomandibula.
 * 2)  Relating both to the hyoid arch and the mandible or lower jaw.
 * the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes

Noun

 * 1)  The hyomandibular bone or cartilage.