Difference between Postilion and Postillion

What is the difference between Postilion and Postillion?

Postilion as a noun is a rider mounted on the near, leading horse pulling a carriage who guides the team while Postillion as a noun is a rider mounted on the near (left) leading horse who guides the team pulling a carriage.

We hope you now know whether to use Postilion or Postillion in your sentence.