Origin of pillion
Examples from the Web for pillion
"I come with pony and pillion," said the visiter as she was assisted to the ground, and bustled into the parlour.Rob of the Bowl, Vol. I (of 2)|John P. Kennedy
There was necessarily a great waste of time in getting the pillion on Sweetbriar.Dulcibel|Henry Peterson
Before that time ladies chiefly rode on horseback, either single on their palfreys, or double, behind some person on a pillion.
They were just going over the hill,—Jamie, with Margaret on the pillion, and Mr. Nathaniel along-side.
That broad back carried, however, most comfortably a side-saddle or a pillion.Customs and Fashions in Old New England|Alice Morse Earle