Breadcrumb Home > Dictionary > Index X Cite xylem: Meaning and Definition of Find definitions for: xy•lem Pronunciation: (zī'lum, -lem), [key] — n. Bot. a compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: xylem (Thesaurus) xylan xylem ray TrendingHere are the facts and trivia that people are buzzing about. April 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: risible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language