tree tobacco: Meaning and Definition of

tree' tobac"co

Pronunciation: [key]
  1. a treelike South American plant, Nicotiana glauca, of the nightshade family, having blue-green foliage, heart-shaped leaves, and white, greenish-yellow, or purple flowers, the corolla yellow, grown as an ornamental.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.