Definition of "trawl"

A net or dragnet used for trawling.  examples

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

(transitive, intransitive) To take (fish or other marine animals) with a trawl.  examples

(intransitive) To fish from a slow-moving boat.  examples

(intransitive) To make an exhaustive search for something within a defined area.  examples