trawl

A net or dragnet used for trawling.

A long fishing line having many short lines bearing hooks attached to it; a setline.

An exhaustive search.

I embarked on a trawl through my uncle's papers in search of his missing will.

To take (fish or other marine animals) with a trawl.

The fisherman went out to trawl the deep sea for shrimp.

To fish from a slow-moving boat.

They used a large net to trawl for fish along the coast.

To make an exhaustive search for something within a defined area.

We need to trawl through the data to find meaningful patterns.