What is "basioccipital"

Basioccipital \Ba`si*oc*cip"i*tal\, a. [Basi- + occipital.] (Anat.) Of or pertaining to the bone in the base of the cranium, frequently forming a part of the occipital in the adult, but usually distinct in the young. -- n. The basioccipital bone. [1913 Webster] ||

a. (context anatomy English) Of or pertaining to the base of the occiput (back of the skull) or to the base of the occipital bone.