The Collaborative International Dictionary
Hyomental
Hyomental \Hy`o*men"tal\, a. [Hyo- + mental of the chin.] (Anat.) Between the hyoid bone and the lower jaw, pertaining to them; suprahyoid; submaxillary; as, the hyomental region of the front of the neck.
Wiktionary
hyomental
a. (context anatomy English) Between the hyoid bone and the lower jaw, or pertaining to them; suprahyoid; submaxillary.