/ Dictionary / Index P Panchaia: Meaning and Definition of Find definitions for: Pan•chai•a Pronunciation: (pän-chē'u), [key] — n. an area in the northern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pancarditis Pancha Sila Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language