/ Dictionary / Index P poiser: Meaning and Definition of Find definitions for: pois•er Pronunciation: (poi'zur), [key] — n. a person or thing that poises. halter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. poised Poiseuille's law Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language