资料来源 : Webster's Revised Unabridged Dictionary (1913)

Epipteric \Ep`ip*ter"ic\, a. [Pref. epi- + Gr. ? wing. So called
   because above the wing of the sphenoid.] (Anat.)
   Pertaining to a small Wormian bone sometimes present in the
   human skull between the parietal and the great wing of the
   sphenoid. -- n. The epipteric bone.