hyoglossus

noun
hyo·​glos·​sus | \ -ˈgläs-əs, -ˈglȯs- How to pronounce hyoglossus (audio) \
plural hyoglossi\ -​ˌsī How to pronounce hyoglossi (audio) \

Medical Definition of hyoglossus

: a flat muscle on each side of the tongue connecting it with the body and the thyrohyal of the hyoid bone

called also hyoglossus muscle