Spider's trap (3)
'spider's trap' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cobweb that I've seen before include "fairy, in part" , "Elaborate formation of filaments made by spiders" , "Spider's flytrap" , "Insect-catching network" , "Feature of a dusty house - Shakespearean fairy" .)
'spider's trap' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for web that I've seen before include "Tangle" , "Oh what a tangled one we weave, when first we practise to deceive" , "Spider's network" , "Interwoven structure" , "A spider's mesh (3)" .)