Definition of "tuber" [tu•ber]

• A swollen, fleshy, usually underground stem of a plant, such as the potato, bearing buds from which new plant shoots arise. (noun)
• A rounded projection or swelling; a tubercle. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And thus began the investigation of how this tasty tuber is used here and its place in the country's culinary history."
• "Now, I can't really comment on his career and if he really was like the potato, but what he said about the tuber, is something I can concur with."
• "Round or elongated, firm-fleshed and quite gourmet, this tuber is becoming a hit on the culinary scene at fine restaurants ..."