en·ceph·a·lo·cele noun alsoen·ceph·a·lo·coele\ ̷ ̷ˈ ̷ ̷fəlōˌsēl\ (-s) Etymology:encephalocele International Scientific Vocabulary encephal- + -cele; encephalocoele alteration (influenced by -coele) of encephalocele : hernia of the brain either congenital or due to trauma