Arachnoid

a.	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.
n.	1.	(Anat.) The arachnoid membrane.
	2.	(Zool.) One of the Arachnoidea.

Noun	1.	arachnoid - the middle of the 3 meninges Synonyms: arachnoid membrane
	2.	arachnoid - air-breathing arthropods characterized by simple eyes and four pairs of legs Synonyms: arachnid
Adj.	1.	arachnoid - relating to or resembling a member of the class Arachnida Synonyms: arachnidian, spiderlike, spiderly, spidery

Arachnida, arachnidian, class Arachnida, spiderlike, spiderly, spidery, zoological science, zoology