D defs.my
Entry 4 senses Webster, 1913

Cobweb

/käb'-wĕbˌ/ · Cob·web · IPA /ˈkɒbwɛb/
01 n. The network spread by a spider to catch its prey.
  1. 1.
    The network spread by a spider to catch its prey.
  2. 2.
    A snare of insidious meshes designed to catch the ignorant and unwary.
    “I can not but lament thy splendid wit Entangled in the cobwebs of the schools.” Cowper.
  3. 3.
    That which is thin and unsubstantial, or flimsy and worthless; rubbish.
    “The dust and cobwebs of that uncivil age.” Sir P. Sidney.
  4. 4.
    The European spotted flycatcher.(Zool.)
    “Such a proud piece of cobweb lawn.” Beau. & Fl.