The Collaborative International Dictionary
Hyosternal
Hyosternal \Hy`o*ster"nal\, a. [Hyo- + ternal.] (Anat.)
Between the hyoid bone and the sternum, or pertaining to them; infrahyoid; as, the hyosternal region of the neck.
Pertaining to the hyosternum of turtles.
Wiktionary
hyosternal
a. 1 (context anatomy English) Between the hyoid bone and the sternum, or relating to both of them; infrahyoid. 2 (context anatomy English) Pertaining to the hyosternum of turtles.