D defs.my
Entry 1 sense Webster, 1913

Xylem

/zīʹləm/ · Xy·lem · IPA /ˈzaɪ.ləm/
01 n. That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.
  1. 1.
    That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.(Bot.)