Pronunciation: (tOO'bur-us, tyOO'-), [key]
1. characterized by the presence of rounded or wartlike prominences or tubers.
2. of the nature of such a prominence.
3. Bot.bearing tubers.
4. having the nature of or resembling a tuber. Also,tuberose.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.