资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.