to fish or catch (fish) with a trawl

to search through a large number of things

She trawled through the files to find his address

to catch (fish) with a trawl

to fish (an area) with a trawl

a large conical net dragged along the sea bottom to catch fish or other marine life

NAmer a long heavy fishing line; a setline

an act of trawling

a search through a large number of things or sources

an unsuccessful trawl through the job adverts