say it: TRAW-lur
trawler is a noun meaning "a fisherman who use a trawl net". It carries 2 recorded senses.
a fisherman who use a trawl net
a fishing boat that uses a trawl net or dragnet to catch fish
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for trawler come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.