What is the meaning of Trawler?

A fishing boat that uses a trawl net or dragnet to catch fish.

A fisherman who uses a trawl net.

trawler (a fishing boat that uses a trawl net or dragnet to catch fish)

trawler (fishing boat using a trawl net or dragnet)

to trawl

trawler (fishing boat using a trawl net or dragnet)

Source: wiktionary.org