coupling pole

English

Noun

coupling pole (plural coupling poles)

1. A connecting piece between the front and back axles of a wagon or trailer, often equipped with pins for extending or shortening the bed.
   • 2013, Henry C. Mercer, Ancient Carpenters' Tools, →ISBN, page 39:

     It is equipped with a brake and is extensible on its long coupling pole, extending from axle to axle.

   • 2014, Doyle W. Williams, My Mother's Branch:The Lineage and Life of Carrie Viola Reeves and Her Family, →ISBN, page 264:

     I don't remember much of anything else happening other than us going to town, and we would ride the coupling pole of the wagon that stuck out in the back.