Crossword Genius

In a computerised world, a trap? (3)

Ross

I believe the answer is:

net

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'a trap?' is the definition.
(I know that net is a type of trap)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for net that I've seen before include "Catch; fine fabric" , "Meshwork" , "After expenses" , "Open-meshed fabric" , "Overall; mesh" .)

I've seen this clue in the Evening Standard.
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