[spinal cord] n (1836): the cord of nervous tissue that extends from the brain lengthwise along the back in the vertebral canal, gives off the pairs of spinal nerves, carries impulses to and from the brain, and serves as a center for initiating and coordinating many reflex acts--see brain illustration
SPINAL CORD
Meaning of SPINAL CORD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012