/ Dictionary / Index C Chillon: Meaning and Definition of Find definitions for: Chil•lon Pronunciation: (shu-lon', shil'un Fr. shē-yôn'), [key] — n. an ancient castle in W Switzerland, at the end of Lake Geneva. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chilling chillum Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language