- a worker who makes metal boilers for generating steam.；a metalworker in heavy industry.
noun: boilermaker, plural noun: boilermakers
- 1. a worker who makes metal boilers for generating steam.
- ▪ a metalworker in heavy industry.
- 2. North American a shot of whisky followed immediately by a glass of beer as a chaser.
- a person who makes boilers.
Oxford American Dictionary