/ Dictionary / Index P papillon: Meaning and Definition of Find definitions for: pap•il•lon Pronunciation: (pap'u-lon" Fr. pa-pē-yôn'), [key] — pl. -lons one of a breed of toy spaniels having a long, silky coat and large, erect ears held so that they resemble the wings of a butterfly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: papillon (Thesaurus) papillomavirus papillose Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language