/ Dictionary / Index P poil: Meaning and Definition of Find definitions for: poil Pronunciation: (poil), [key] — n. a yarn or thread made from silk, used for ribbon, velvet, and as the core of gold, silver, and tinsel yarn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. poikilothermal poilu 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