PILLION

I. noun Etymology: Scottish Gaelic or Irish; Scottish Gaelic pillean, diminutive of peall covering, couch; Irish pillín, diminutive of peall covering, couch Date: 1503 1. a light saddle for women consisting chiefly of a cushion, a pad or cushion put on behind a man's saddle chiefly for a woman to ride on, a motorcycle or bicycle saddle for a passenger, II. adverb Date: 1926 on or as if on a ~