Definitions for "Xylem"
That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloëm.
vascular tissue of plants that transports water and dissolved minerals from the roots upwards to other parts of the plant. Xylem often also provides mechanical support against gravity
n. (Gr. xylon, wood) woody tissue that is part of the water-transporting system in plants, consisting of lignified tracheids or vessels, and which also acts as a supporting tissue.