basisphenoid

Ba`si*sphe"noid, n. (Anat.) Defn: The basisphenoid bone. Ba`si*sphe"noid, Ba`si*sphe*noid"al, a. Etym: [Basi- + spheroid.] (Anat.) Defn: Of or pertaining to that part of the base of the cranium between the basioccipital and the presphenoid, which usually ossifies separately in the embryo or in the young, and becomes a part of the sphenoid in the adult.

---