Meaning Of Arachnoid

a.

Resembling a spider's web; cobweblike.

a.

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

a.

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

n.

The arachnoid membrane.

n.

One of the Arachnoidea.