/ Dictionary / Index P post chaise: Meaning and Definition of Find definitions for: post' chaise' Pronunciation: [key] a four-wheeled coach for rapid transportation of passengers and mail, used in the 18th and early 19th centuries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. postcava postcode Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language