Arachnoid1. (a.) Resembling a spider's web; cobweb like.
2. (a.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.
3. (a.) Covered with, or composed of, soft, loose hairs or fibers, so as to resemble a cobweb; cobwebby.
4. (n.) The arachnoid membrane.
5. (n.) One of the Arachnoidea.
Thesaurus Entries
arachnoid, arbor vitae, archipallium, between brain, brain stem, cerebellar hemispheres, cerebral cortex, cerebrospinal fluid, cerebrum, convolution, corpus callosum, corpus striatum, diencephalon, dura mater, endbrain, fissure, folia, forebrain, fornix, frontal lobe, glial cells, globus pallidus, gray matter, gyrus, hindbrain, hippocampus, hypothalamus, lenticular nucleus, limbic lobe, little brain, lobe, mantle, medulla oblongata, meninges, mesencephalon, metencephalon, midbrain, myelencephalon, neopallium, occipital lobe, optic chiasm, pallium, parietal lobe, pia mater, pineal body, pituitary body, pons, reticular system, rhombencephalon, subthalamus, telencephalon, temporal lobe, thalamus, ventricle, vermis, white matter