/ Dictionary / Index P pruinose: Meaning and Definition of Find definitions for: pru•i•nose Pronunciation: (pr'u-nōs"), [key] — adj. Bot., Zool. covered with a frostlike bloom or powdery secretion, as a plant surface. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prudish prune Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language