brakemanPronunciation: /ˈbreɪkmən/Definition of brakeman noun (plural brakemen) 1 (British also brakesman) chiefly North American a railway worker responsible for a train’s brakes or for other duties such as those of a guard. 2a person in charge of brakes, especially in a bobsleigh. brakeman in other Oxford dictionaries Definition of brakeman in the US English dictionary