/ Dictionary / Index P Poincaré: Meaning and Definition of Find definitions for: Poin•ca•ré Pronunciation: (pwan-ka-rā'), [key] — n. 1854–1912, French mathematician. his cousin1860–1934, French statesman: president of France 1913–20. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. poimenics Poincaré conjecture Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language