/ Dictionary / Index P Poitiers: Meaning and Definition of Find definitions for: Poi•tiers Pronunciation: (pwa-tyā'), [key] — n. a city in and the capital of Vienne, in W France: Roman ruins; battlesa.d.507, 732, 1356. 85,466. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: poitiers (Thesaurus) Poisson's ratio Poitou Related Content Daily Word Quiz: ostracize Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language