• (a.) Of or pertaining to the central nervous system consisting of the brain and spinal cord.
Cer`e·bro-spi'nal adjective [ Cerebrum + spinal .] (Anat.) Of or pertaining to the central nervous system consisting of the brain and spinal cord. Cerebro-spinal fluid (Physiol.) , a serous fluid secreted by the membranes covering the brain and spinal cord.