subarachnoid

adjective

sub·​arach·​noid ˌsəb-ə-ˈrak-ˌnȯid How to pronounce subarachnoid (audio)
variants or less commonly subarachnoidal
: of, relating to, occurring, or situated under the arachnoid membrane
subarachnoid hemorrhage

Example Sentences

Recent Examples on the Web Edwards had suffered a subarachnoid hemorrhage, or a burst vein in her brain. Pam Kragen, San Diego Union-Tribune, 13 Nov. 2022 The A-list actor recalls the journey to rebuild her life after suffering a subarachnoid hemorrhage in 2001. The California Independent Booksellers Alliance, Los Angeles Times, 7 Apr. 2021 Clarke experienced her first aneurysm, which caused a stroke and a subarachnoid hemorrhage, soon after wrapping up filming on the first season of Game of Thrones in 2011. Anna Lazarus Caplan, PEOPLE.com, 18 July 2022 Edwards had suffered a subarachnoid hemorrhage, which is bleeding from a vein, unlike a stroke or aneurysm, which involves a torn or blocked artery. Diane Bell Columnist, San Diego Union-Tribune, 30 Oct. 2021 The official diagnosis was subarachnoid hemorrhage and subdural hematoma — bleeding and the pooling of blood on the surface of the brain. John Branch, New York Times, 7 Oct. 2021 The cause of death was subarachnoid hemorrhage of the brain. John Diedrich, Milwaukee Journal Sentinel, 15 Nov. 2014 A few days later, he was struck by a subarachnoid hemorrhage – bleeding in his brain stem that could have proved fatal. Darlene Aderoju, PEOPLE.com, 5 Dec. 2019 These aneurysms usually happen in the space between the brain and thin tissues covering the brain, which is known as a subarachnoid hemorrhage. Korin Miller, SELF, 22 Mar. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subarachnoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1843, in the meaning defined above

Time Traveler
The first known use of subarachnoid was in 1843

Dictionary Entries Near subarachnoid

Cite this Entry

“Subarachnoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subarachnoid. Accessed 23 Mar. 2023.

Medical Definition

subarachnoid

adjective
sub·​arach·​noid ˌsəb-ə-ˈrak-ˌnȯid How to pronounce subarachnoid (audio)
variants also subarachnoidal
1
: situated or occurring under the arachnoid membrane
subarachnoid hemorrhage
2
: of, relating to, or involving the subarachnoid space and the fluid within it
subarachnoid meningitis
Last Updated: - Updated example sentences
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