hyosternal

Century Dictionary and Cyclopedia

1. Pertaining to the hyoid bone and the breast-bone; sternohyoid.
2. In herpetology, of or pertaining to the hyoplastron: as, a hyosternal scute.
3. n. Same as epihyal.

Wiktionary

1. adj. anatomy Between the hyoid bone and the sternum, or relating to both of them; infrahyoid.
2. adj. anatomy Pertaining to the hyosternum of turtles.

GNU Webster's 1913

1. adj. Between the hyoid bone and the sternum, or pertaining to them; infrahyoid.
2. adj. Pertaining to the hyosternum of turtles.