The Collaborative International Dictionary
fire fighter
firefighter \fire"fight`er\, fire fighter \fire" fight`er\(f[imac]r"f[imac]`t[~e]r), n. A person whose occupation it is to go to the scene of an unwanted fire and extinguish it; a member of a fire company; a fireman[1] or a woman who fights fires.
Note: Some towns have few or no professional firefighters, and fire suppression is conducted mostly by groups of volunteers, called volunteer firefighters. The term fireman[1] was at one time synonymous with firefighter, until women began to engage in the same occupation.
WordNet
fire fighter
n. a member of a fire department who tries to extinguish fires [syn: fireman, firefighter, fire-eater]