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Medical Dictionary

1

arachnoid

play
noun arach·noid \ə-ˈrak-ˌnȯid\

Medical Definition of arachnoid

  1. :  a thin membrane of the brain and spinal cord that lies between the dura mater and the pia mater




2

arachnoid

adjective arach·noid

Medical Definition of arachnoid

  1. :  of or relating to the arachnoid <the arachnoid membrane>



Variants of arachnoid

also arachnoidal \ə-ˌrak-ˈnȯid-əl\play

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