cobwebby

adjective3

1. •
   Having many cobwebs.

   • Off this landing and over the studio was a dark cobwebby place, tangled with wiring, plumbing, ventilation and mystery. — 1944
2. •
   Resembling a cobweb or cobwebs.

   • […] wonderful images of […] the cobwebby features of Ganymede […] — 1980
3. •
   (figurative) Old or dated.