Hypertext Webster Gateway: "arachnoid"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Arachnoid \A*rach"noid\, n.
1. (Anat.) The arachnoid membrane.
2. (Zo["o]l.) One of the Arachnoidea.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Arachnoid \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.
From WordNet (r) 1.7 (wn)
arachnoid
adj : (zoology) relating to or resembling a member of the class
Arachnida [syn: {arachnidian}, {spidery}, {spiderlike},
{spiderly}]
n 1: the middle of the 3 meninges [syn: {arachnoid membrane}]
2: air-breathing arthropods characterized by simple eyes and
four pairs of legs [syn: {arachnid}]
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