society > occupation and work > worker > workers according to type of work > manual or industrial worker > worker in specific place > [noun] > in other specific places (4)
A railway employee who works on trains.
A man who carries on a trade or occupation in the streets; a street worker or trader. Now rare.
one who works in a tower; spec. (U.S.) (a) a railway signalman; (b) a look-out for forest fires.