/ Dictionary / Index C Chryse Planitia: Meaning and Definition of Find definitions for: Chry•se Pla•ni•tia Pronunciation: (krī'sē plu-nish'u), [key] — Astron. Astron. a plain on Mars, the landing site of the Viking I spacecraft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chryselephantine Chrysippus Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language