tuber

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tu·ber

(to͞o′bər, tyo͞o′-)

a. A swollen, fleshy, usually underground outgrowth of the stem or rhizome of a plant, such as the potato, bearing buds from which new plant shoots arise.

b. A similar outgrowth of a plant root.

2. A rounded projection or swelling; a tubercle.

[Latin tūber, lump; see teuə- in Indo-European roots.]

tuber

(ˈtjuːbə)

1. (Botany) a fleshy underground stem (as in the potato) or root (as in the dahlia) that is an organ of vegetative reproduction and food storage

2. (Anatomy) anatomy a raised area; swelling

[C17: from Latin tūber hump]

tu•ber

(ˈtu bər, ˈtyu-)

n.

1. a thick, fleshy underground stem, as the potato, that bears buds from which new plants may arise.

2. tubercle.

[1660–70; < Latin tūber bump, swelling. compare truffle]

tu′ber•oid`, adj.

tu·ber

(to͞o′bər)

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.

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Noun	1.	tuber - a fleshy underground stem or root serving for reproductive and food storage water chestnut - edible bulbous tuber of a Chinese marsh plant groundnut, wild bean, potato bean - nutlike tuber; important food of Native Americans Jerusalem artichoke - edible tuber of the Jerusalem artichoke yam - edible tuber of any of several yams stalk, stem - a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
	2.	Tuber - type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles genus Tuber fungus genus - includes lichen genera family Tuberaceae, Tuberaceae - family of fungi whose ascocarps resemble tubers and vary in size from that of an acorn to that of a large apple earth-ball, earthnut, truffle - any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe