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subarachnoid

American  
[suhb-uh-rak-noid] / ˌsʌb əˈræk nɔɪd /

adjective

Anatomy.
  1. of, relating to, or situated below the arachnoid membrane.


Etymology

Origin of subarachnoid

First recorded in 1830–40; sub- + arachnoid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

One scenario described the symptoms of a stroke causing bleeding on the brain called a subarachnoid haemorrhage.

From BBC Apr. 18, 2026

Doctors found that he had suffered a subarachnoid hemorrhage resulting from a ruptured brain aneurysm.

From Slate Dec. 8, 2025

"This work could also help us identify additional risk factors for subarachnoid hemorrhage, potentially leading to new therapies to manage aneurysms."

From Science Daily Jun. 5, 2024

Shortly after finishing the first season of "Game of Thrones" in 2011, Clarke experienced a subarachnoid hemorrhage, a bleed in the space between the brain and surrounding membrane.

From Salon Jul. 18, 2022

Here is the "island of Reil," here the "pons Varolii"; here is the "arbor vitæ"; and here is the "subarachnoid space"; and here that wonderful contrivance of the great Designer that regulates the arterial supplies.

From My New Curate by Sheehan, Patrick Augustine

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