The cushion of a saddle.
The person riding in the pillion.
A similar second saddle on a motorcycle for a passenger.
A pad behind the saddle of a horse for a second rider.
To ride on a pillion.
To put a pillion on a horse.
Riding behind the driving rider, as when positioned on the rump of a mount.
A piece of furniture on which someone can pray, consisting of a cushioned area to kneel on, with a built-in ledge for books.