/ Dictionary / Index P phloem ray: Meaning and Definition of Find definitions for: phlo'em ray" Pronunciation: [key] — Bot. Bot. a vascular ray extending into or located entirely within the secondary phloem. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phloem necrosis phlogistic Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language