Araneous \A*ra"ne*ous\ ([.a]*r[=a]`n[-e]*[u^]s), a. [L. araneosus, fr. aranea spider, spider's web.] Cobweblike; extremely thin and delicate, like a cobweb; as, the araneous membrane of the eye. See {Arachnoid}. --Derham. [1913 Webster]