| arachnoid | (n) the middle of the 3 meninges, Syn. arachnoid membrane |
| arachnoid | (adj) relating to or resembling a member of the class Arachnida, Syn. spiderly, spiderlike, arachnidian, spidery |
| Arachnoid | a. [ Gr. &unr_; like a cobweb; &unr_; spider, spider's web + |
| Arachnoid | n. |
| Arachnoidal | a. (Anat.) Pertaining to the arachnoid membrane; arachnoid. [ 1913 Webster ] |
| Arachnoidea | ‖n. pl. [ NL. ] (Zool.) Same as Arachnida. [ 1913 Webster ] |