Dougherty wagon
[ daw-er-tee, dah-, dawr-uh-, dahr-uh- ]
/ ˈdɔ ər ti, ˈdɑ-, ˈdɔr ə-, ˈdɑr ə- /
noun
a horse- or mule-drawn passenger wagon having doors on the side, transverse seats, and canvas sides that can be rolled down.
Origin of Dougherty wagon
An Americanism dating back to 1900–05; origin obscure