✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

spinal cord

noun

: the cord of nervous tissue that extends from the brain lengthwise along the back in the spinal 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

Examples of spinal cord in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This type of cancer typically spreads rapidly from the bone marrow into the bloodstream and can also reach other parts of the body, such as the lymph nodes, liver, spleen, brain and spinal cord, and testicles, per ACS. Melissa Rudy, FOXNews.com, 25 Nov. 2025 This is pressure on the spinal cord. Alexandria Nyembwe, Health, 25 Nov. 2025 For one, the researchers were surprised to discover glial cells in the ovarian environment, cells that support the nervous system and are found in the brain and spinal cord. Alexa Mikhail, Flow Space, 21 Nov. 2025 Neurologic signs will appear as a result of damage to blood vessels in the brain and spinal cord. Brayden Garcia, Fort Worth Star-Telegram, 20 Nov. 2025 See All Example Sentences for spinal cord

Word History

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of spinal cord was in 1834

Browse Nearby Words

Cite this Entry

“Spinal cord.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinal%20cord. Accessed 29 Nov. 2025.

Kids Definition

spinal cord

noun
: the cord of nervous tissue that extends from the brain along the back in the cavity of the backbone, branches to form the spinal nerves, carries nerve impulses to and from the brain, and helps to control reflex actions

Medical Definition

spinal cord

noun
: the thick longitudinal cord of nervous tissue that in vertebrates extends along the back dorsal to the bodies of the vertebrae and is enclosed in the spinal canal formed by their neural arches, is continuous anteriorly with the medulla oblongata, gives off at intervals pairs of spinal nerves to the various parts of the trunk and limbs, serves not only as a pathway for nerve impulses to and from the brain but as a center for carrying out and coordinating many reflex actions independently of the brain, and is composed largely of white matter arranged in columns and tracts of longitudinal fibers about a large central core of gray matter somewhat H-shaped in cross section and pierced centrally by a small longitudinal canal continuous with the ventricles of the brain

called also medulla spinalis

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!