Examples from literature

• Except for one or two railroad hands waiting by the caboose of a freight train, nobody was about. 
• Lincoln traveled any way he could-in ordinary passenger trains, or even in the caboose of a freight train. 
• The express had run her nose into the caboose of the freight, and more harm was done to the freight than to the passenger cars. 
• Those individuals making up a train endeavor to keep any one from hitching on to their caboose. 
• When nearly opposite the caboose the big train settled to a stop.