subs. phr. (American).—An emigrant waggon.

1

  1887.  T. STEVENS, Around the World on a Bicycle, 65. Meeting PRAIRIE SCHOONERS will now be a daily incident of my eastward journey.

2

  1888.  Chicago Daily Inter Ocean, 14 April. The old PRAIRIE-SCHOONER … is now mainly a thing of the past.

3