[{"Bold_text": "adjective", "List Items": ["resembling a spider's web.", "of or belonging to the arachnids.", "Anatomy.of or relating to the arachnoid membrane.", "Botany.formed of or covered with long, delicate hairs or fibers."]}, {"Bold_text": "noun", "List Items": ["an arachnid.", "Anatomy.the serous membrane forming the middle of the three coverings of the brain and spinal cord."]}]