| Beginning With: "M" |
| MADHOUSE |
Engine foreman; scene of unusual activity or confusion MAIN IRON-Main track. Also called main stem MAIN PIN-An official MAKE A JOINT-Couple cars MANIFEST-Same as hotshot MARKERS-Signals on rear of train, flags by day and lamps by night MASTER MANIAC-Master mechanic, often abbreviated M.M. Oil is called master mechanic's blood |
| MASTER MIND |
An official |
| MATCHING DIALS |
Comparing time |
| MAUL |
Work an 'engine with full stroke and full throttle |
| MEAT RUN |
Fast run of perishable freight, hotshot |
| MEET ORDER |
Train order specifying a definite location where two or more trains will meet on a single track, one on a siding, the others on the high iron |
| MERRY-GO-ROUND |
Turntable |
| MIDDLE MAN, MIDDLE SWING |
Second brakeman on freight train |
| MIKE |
Mikado-type engine (2-8-2), so named because first of this type were built for Imperial Railways of Japan. (Because of the war with Japan, some railroads rechristened this type MacArthur) |
| MILEAGE HOG |
Engineer or conductor, paid on mileage basis, who uses his seniority to the limit in getting good runs, which younger men resent |
| MILK TRUCK |
Large hand truck with high cast-iron wheels used to transfer milk cans around in a terminal |
| MILL |
Steam locomotive, or typewriter |
| MIXED LOAD |
Truckload of mail sacks and parcels for many destinations sent from storage car to the yard (an outside platform) for further separation before forwarding |
| MONKEY |
When a crew has been on duty sixteen hours and is caught out on the road, the monkey gets them and they are required by ICC rules to tie -up until a new crew comes. (See dogcatchers) |
| MONKEY MONEY |
The pass of a passenger who is riding free |
| MONKEY MOTION |
Walschaert or Baker valve gear on locomotive. Monkey house is caboose. Monkey suit is passenger trainman's uniform or any other smart-looking uniform. Monkey tail is back-up hose |
| MOONLIGHT MECHANIC |
Night roundhouse foreman |
| MOPPING OFF |
Refers to escaping steam |
| MOTHER HUBBARD |
See Camelback |
| MOTOR |
Electric locomotive |
| MOUNTAIN PAY |
Overtime |
| MOVING DIRT |
Fireman shoveling coal into firebox |
| MOVING SPIRIT |
Train dispatcher, more often called DS |
| MTYS |
Empty cars |
| MUCKERS |
Excavators in construction work |
| MUD CHICKENS |
Surveyor. Mudhop is yard clerk, mudshop his office |
| MUD SUCKER |
A nonlifting injector |
| MUDHEN |
A saturated locomotive, one that is not superheated |
| MULE SKINNER |
Driver of mule cart |
| MUSIC MASTER |
Paymaster |
| MUTT AND JEFF PUMP |
Denver & Rio Grande locomotive with big air pump on right and small one on left |
| MUZZLE LOADER |
Hand-fired locomotive |
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