subarachnoid

adjective sub·arach·noid \ ˌsəb-ə-ˈrak-ˌnȯid \
variants: or less commonly subarachnoidal play \ˌsəb-ə-rak-ˈnȯi-dᵊl\
Updated on: 14 Apr 2018

Definition of subarachnoid

: of, relating to, occurring, or situated under the arachnoid membrane
  • subarachnoid hemorrhage

Recent Examples of subarachnoid from the Web

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First Known Use of subarachnoid

1843

in the meaning defined above

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Medical Dictionary

subarachnoid

adjective sub·arach·noid \ ˌsəb-ə-ˈrak-ˌnȯid \
variants: also subarachnoidal play \-rak-ˈnȯid-ᵊl\

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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