Definition of subarachnoid
: of, relating to, occurring, or situated under the arachnoid membrane subarachnoid hemorrhage
Recent Examples of subarachnoid from the Web
The cause was a subarachnoid hemorrhage, her family said in a statement.
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First Known Use of subarachnoid
Medical Definition of subarachnoid
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
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