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Ross

I believe the answer is:

trawl

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'search' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

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(Other definitions for trawl that I've seen before include "Fish by dragging bag-net along sea bed" , "search for information" , "Net dragged behind fishing boats" , "hunt" , "Fish using a towed net" .)

I've seen this clue in the Sydney Morning Herald.
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