Definitions

1. adjective

relating to the region of the body below the mentum (chin); in particular, relating to the hyoid bone and the mental protuberance

“The hyomental angle plays a significant role in determining the overall facial structure.”

2. noun

the region of the body below the mentum (chin); in particular, the area surrounding the hyoid bone and the mental protuberance

“The surgeon examined the hyomental area to assess the extent of the injury.”