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arachnoid

a·rach·noid

arachnoid

 
pronunciation:
raek noId
parts of speech:
noun, adjective
part of speech: noun
definition 1: an arachnid.
definition 2: the middle of the three fibrous membranes that cover the brain and spinal cord. (See dura mater, pia mater.)
 
part of speech: adjective
definition 1: resembling a cobweb.
definition 2: of or pertaining to arachnids.
definition 3: of or pertaining to the arachnoid membrane.