hyoglossus

from The Collaborative International Dictionary of English v.0.48

Hyoglossus \Hy`o*glos"sus\, n. [NL., fr. hyo- hyo- + Gr. glw^ssa
   tongue.] (Anat.)
   A flat muscle on either side of the tongue, connecting it
   with the hyoid bone.
   [1913 Webster]