Source : Webster's Revised Unabridged Dictionary (1913)

Hyoglossal \Hy`o*glos"sal\, a. [Hyo- + Gr. ? tongue.] (Anat.)
   (a) Pertaining to or connecting the tongue and hyodean arch;
       as, the hyoglossal membrane.
   (b) Of or pertaining to the hyoglossus muscle.