slang. With reference to a person. A person whose work involves fire, as a fireman, furnace keeper, or alchemist's assistant. Obsolete.

A person (typically a man) employed in the supply, distribution, or removal of water, as in irrigation or pumping, or as a water-carrier…

A person (esp. a man) employed to extinguish fires, esp. a member of a fire service trained to extinguish fires and to provide other emergency and…

a fireman in the employ of the Phoenix Insurance Office in London (founded in 1681).

an attendant, esp. at a cab or coach stand, primarily employed to water the horses; = waterman, n. 4.

In France and French-speaking countries: a firefighter.

A person who fights fires; spec. a member of a fire service trained to extinguish fires and to provide other emergency and rescue services.

used for French sapeur-pompier a member of a (French) fire-brigade.

A firefighter.

= Phoenix-man n.