Definitions for: Arachnoid


[n] air-breathing arthropods characterized by simple eyes and four pairs of legs
[n] the middle of the 3 meninges
[adj] (zoology) relating to or resembling a member of the class Arachnida



Webster (1913) Definition: A*rach"noid, a. [Gr. ? like a cobweb; ? spider,
spider's web + ? form.]
1. Resembling a spider's web; cobweblike.

2. (Anat.) Pertaining to a thin membrane of the brain and
spinal cord, between the dura mater and pia mater.

3. (Bot.) Covered with, or composed of, soft, loose hairs or
fibers, so as to resemble a cobweb; cobwebby.


A*rach"noid, n.
1. (Anat.) The arachnoid membrane.

2. (Zo["o]l.) One of the Arachnoidea.

Synonyms: arachnid, arachnidian, arachnoid membrane, spiderlike, spiderly, spidery

See Also: acarine, Arachnida, arthropod, class Arachnida, daddy longlegs, false scorpion, harvestman, leptomeninges, meninges, meninx, Phalangium opilio, pseudoscorpion, scorpion, spider, whip scorpion, whipscorpion

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