spiderweb UK /ˈspaɪ̯dəwɛb/US /ˈspaɪ̯dɚwɛb/noun 2verb 1forms 3 noun2 •The net-like construct of a spider containing sticky strands to catch prey. •(figurative) Something that resembles a spider's web in being mesh-like, entrapping, or fragile. verb1 •To connect or cover as if with spiderwebs. formsspiderwebbed · spiderwebbing · spiderwebs