1
: of, relating to, or situated near the spinal column
2
a
: of, relating to, or affecting the spinal cord
spinal reflexes
b
: having the spinal cord functionally isolated (as by surgical section) from the brain
experiments on spinal animals
3
: of, relating to, or resembling a spine

spinal

2 of 2

noun

: a spinal anesthetic

Examples of spinal 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.
Adjective
The test could help researchers identify candidates for Alzheimer’s prevention trials without relying as heavily on costly brain scans or spinal fluid tests. Tom Gavin, EverydayHealth.com, 17 July 2026 Moving forward, the team is working to improve their system while expanding clinical trials to include other patients with differing levels of spinal injuries and neurological conditions. Andrew Paul, Popular Science, 16 July 2026
Noun
Still, scientists had been anxiously awaiting details about how much that twice-a-year spinal shot really helped. Lauran Neergaard, Fortune, 14 July 2026 Supports Better Posture Exercises that strengthen your deep core muscles improve posture by helping your body maintain neutral spinal alignment. Christopher Bergland, Verywell Health, 14 July 2026 See All Example Sentences for spinal

Word History

First Known Use

Adjective

1578, in the meaning defined at sense 1

Noun

1944, in the meaning defined above

Time Traveler
The first known use of spinal was in 1578

Browse Nearby Words

Cite this Entry

“Spinal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinal. Accessed 21 Jul. 2026.

Kids Definition

spinal

adjective
spi·​nal
ˈspīn-ᵊl
1
: of, relating to, or located near the backbone
2
: of, relating to, or affecting the spinal cord

Medical Definition

spinal

1 of 2 adjective
1
: of, relating to, or situated near the spinal column
2
a
: of, relating to, or affecting the spinal cord
spinal reflexes
b
: having the spinal cord functionally isolated (as by surgical section) from the brain
experiments on spinal animals
c
: used for spinal anesthesia
a spinal anesthetic
3
: made for or fitted to the spinal column
a spinal brace

spinal

2 of 2 noun
: a spinal anesthetic

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