spider web
Network of silk threads woven by a spider; it solidifies in the air.
anchor point 
Place where the spider affixes the web’s support threads.
support thread 
Terminal end of a radial thread between the last spiral and the anchor point.
radial thread 
Each of the threads that join one anchor point to the center of the web.
spiral thread 
Silk thread forming circles and joining the radial threads to strengthen them.
hub 
Silk thread forming circles around the center and acting as the juncture point of the radii to strengthen the web.