- Botany. a fleshy, usually oblong or rounded thickening or outgrowth, as the potato, of a subterranean stem or shoot, bearing minute scalelike leaves with buds or eyes in their axils from which new plants may arise.
- Anatomy. a rounded swelling or protuberance; a tuberosity; a tubercle.
Origin of tuber1
Origin of tuber2
Examples from the Web for tuber
Contemporary Examples of tuber
I feel like they are the alchemist of the tuber world; they make everything from smooth, soft purees to beautiful crunchy pickles.Fresh Picks
February 23, 2010
Historical Examples of tuber
In kitchen-gardens it is planted like the potato, the tuber being cut in pieces.The Philippine Islands
It is found in the tuber of the dahlia, in the dandelion, and some other plants.Elements of Agricultural Chemistry
All of these may be grown from seed or by division of the tuber before planting.The Book of Bulbs
Sometimes it attacks the potato, eating down the stalk into the tuber.The Moths of the British Isles, First Series
This skin is produced by the action of the surface cells of the tuber.Parallel Paths
Thomas William Rolleston
- a fleshy underground stem (as in the potato) or root (as in the dahlia) that is an organ of vegetative reproduction and food storage
- anatomy a raised area; swelling
Word Origin for tuber
"thick underground stem," 1660s, from Latin tuber "lump, bump," perhaps related to tumere "to swell" (see thigh).
- A localized rounded projection or swelling; a knob, tuberosity, or eminence.
- The thickened part of an underground stem of a plant, such as the potato, bearing buds from which new plant shoots arise. Compare bulb corm rhizome runner.