From Longman Dictionary of Contemporary Englishcraniumcra‧ni‧um /ˈkreɪniəm/ noun (plural craniums or crania /-niə/) [countable] technical HBHthe part of your head that is made of bone and covers your brain —cranial adjective
Examples from the Corpus
cranium• The red light of fires reflected from the hairless cranium.• Information exchanged and fed into his cranium.• If it lives long enough, its tusks will eventually reach its cranium and grow into it.• Its long cranium jutting forward, fangs dripping gluey saliva.• The bullets fired into the victim's cranium were still lodged there.• Then he supped hastily from the bone cup of the cranium.• Crossing the hind part of the cranium there is in some insects an occipital suture.Origin cranium (1400-1500) Medieval Latin Greek kranion 