arachnoid Definition
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arachnoid
adj
- 1. Relating to or resembling an arachnid.
2. Resembling a spider's web or cobweb.
3. bot.
- Covered in, or made up of, long thin delicate fibres.
- 1. The middle of the three membranes that cover the brain and spinal cord, so called because it resembles a cobweb in texture. See also meninges
- Form: arachnoid membrane
