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a·rach·noid
 arachnoid
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- pronunciation:
raek
noId
- parts of speech:
- noun, adjective
| part of speech: |
noun |
| definition 1: |
an arachnid.
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| definition 2: |
the middle of the three fibrous membranes that cover the brain and spinal cord. (See dura mater, pia mater.)
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| part of speech: |
adjective |
| definition 1: |
of or pertaining to arachnids.
Arachnoid phobias are fairly common. |
| definition 2: |
resembling a cobweb.
The Halloween decorations have arachnoid patterns on them. |
| definition 3: |
of or pertaining to the arachnoid membrane.
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