cobweb

Short definition from Wiktionary

Noun

1. 1
   A spiderweb, or the remains of one, especially an asymmetrical one that is woven with an irregular pattern of threads.
2. 2
   One of its filaments; gossamer.
3. 3
   Something thin and unsubstantial, or flimsy and worthless; valueless remainder.
4. 4
   An intricate plot to catch the unwary.
5. 5
   A web page that either has not been updated for a long time, or that is rarely visited.
6. 6
   The European spotted flycatcher, Muscicapa striata.
7. 7
   fuzzy inexact memories.