sub·arach·noid adjective \-ə-ˈrak-ˌnȯid\
: of, relating to, occurring, or situated under the arachnoid membrane <subarachnoid hemorrhage>
First Known Use of SUBARACHNOID
sub·arach·noid adjective \ˌsəb-ə-ˈrak-ˌnȯid\ (Medical Dictionary)
: situated or occurring under the arachnoid membrane <subarachnoid hemorrhage>
: of, relating to, or involving the subarachnoid space and the fluid within it <subarachnoid meningitis>
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