Oxford Dictionary English central nervous system nounnoun BrE BrE//ˌsentrəl ˈnɜːvəs sɪstəm// ; NAmE NAmE//ˌsentrəl ˈnɜːrvəs sɪstəm// (anatomy) Add to my wordlistjump to other results the part of the system of nerves in the body that consists of the brain and the spinal cord see also nervous systemSee central nervous system in the Oxford Learner's Dictionary of Academic EnglishSee central nervous system in the Oxford Advanced American DictionaryCheck pronunciation: central nervous system oxfordlearnersdictionaries.com