/ Dictionary / Index P pillion: Meaning and Definition of Find definitions for: pil•lion Pronunciation: (pil'yun), [key] — n. a pad or cushion attached behind a saddle, esp. as a seat for a woman. a pad, cushion, saddle, or the like, used as a passenger seat on a bicycle, motor scooter, etc. a passenger's saddle or seat behind the driver's seat on a motorcycle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pillion (Thesaurus) pillhead pilliwinks Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language