firemen

noun

1. 1

   Someone (especially one who is male) who is skilled in the work of fighting fire.

2. 2

   A person (originally a man) who keeps the fire going underneath a steam boiler (originally, shoveling coal by hand), particularly on a railroad locomotive or steamship.

3. 3

   By extension of the above, an assistant on any locomotive, whether steam-powered or not.

4. 4

   A relief pitcher.

5. 5

   A safety inspector in coal mines.