Arachnoid

Definition of Arachnoid

A`rach´noid
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.

Related Words

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