neu·ro·coele noun orneu·ro·coelalsoneu·ro·cele\ˈn(y)u̇rəˌsēl\ (-s) Etymology:neur- + -coele : the cavity or system of cavities in the interior of the vertebrate central nervous system comprising the central canal of the spinal cord and the ventricles of the brain • neu·ro·coe·li·an\| ̷ ̷ ̷ ̷|sēlēən\adjective