The company, which controls the railroad spur, also has control too over the boxcars that are on the track.
One day all of us who were able to walk were made to fall in and march over to the railroad, where we were loaded into boxcars.
A heavy frost developed that night and the troops almost froze in the boxcars.
Bunny and Sue crossed the street and walked along the string of boxcars, looking into those the doors of which were open.
A figure was running along the top of the boxcars toward the engine, looking frantically over his shoulder every few minutes.
In high numbers: boxcar odds (1950s+ Gambling)
A large cargo aircraft or bomber (WWII Army Air Forces)
[modifier sense from the high numbers seen on the sides of railroad boxcars]