/ Dictionary / Index G grand tier: Meaning and Definition of Find definitions for: grand' tier' Pronunciation: [key] the first tier of boxes after the parquet circle in a large theater or opera house. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grand theft grand tour Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language