part of part of bony projection basihyal bone basihyal lingual process lingual process of basihyoid bone A projection on the basihyal bone. Laterally the lingual process is compressed. It has a blunt pointed free end, and its lateral surfaces are slightly concave. The dorsal border is thin and irregular, and the ventral border is thick and rough. In the living animal the lingual process is embedded within the root of the tongue. UBERON:0011620 lingual process of hyoid lingual process of basihyoid