Arachnida :: Arachnida (n. pl.) One of the classes of Arthropoda. See Illustration in Appendix.
Arachnidium :: Arachnidium (n.) The glandular organ in which the material for the web of spiders is secreted.
Arachnitis :: Arachnitis (n.) Inflammation of the arachnoid membrane.
Arachnoid :: Arachnoid (a.) Resembling a spider's web; cobweblike.
Arachnoid :: Arachnoid (a.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater..
Arachnoid :: Arachnoid (a.) Covered with, or composed of, soft, loose hairs or fibers, so as to resemble a cobweb; cobwebby..
Arachnoidal :: Arachnoidal (a.) Pertaining to the arachnoid membrane; arachnoid.
Arachnologist :: Arachnologist (n.) One who is versed in, or studies, arachnology..
Arachnology :: Arachnology (n.) The department of zoology which treats of spiders and other Arachnida.
Subarachnoid :: Subaqueous (a.) Formed in or under water; as, subaqueous deposits..