Arachnoid(a.) Resembling a spider's web; cobweblike.
Arachnoid(a.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.
Arachnoid(a.) Covered with, or composed of, soft, loose hairs or fibers, so as to resemble a cobweb; cobwebby.
Arachnoid(n.) The arachnoid membrane.
Arachnoid(n.) One of the Arachnoidea.
Arachnoidal(a.) Pertaining to the arachnoid membrane; arachnoid.

Words within arachnoids