Sentence:  To travel that mile there was an honest-to-god <WSD>Toonerville Trolley</WSD>. A <WSD>Toonerville Trolley</WSD> was a very small, one railroad car, featured in a comic strip popular at the time, with one cartoon-type fellow who did all the driving; .... 
Meaning of the word marked with <WSD> tags:  A trolley, especially one in need of modernization.