/ Dictionary / Index T third estate: Meaning and Definition of Find definitions for: third' estate' Pronunciation: [key] the third of the three estates or political orders: the commons in France or England. Cf.(def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. third ear third eye Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language