vascular ray: Meaning and Definition of

vas'cular ray'

Pronunciation: [key]
— Bot. Bot.
  1. a radiate band of parenchyma in the secondary xylem extending into the secondary phloem of the stems of certain vascular plants, formed by the cambium and serving for the storage of food and the conduction of nutriments.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.