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tuber
1[ too-ber, tyoo- ]
/ ˈtu bər, ˈtyu- /
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noun
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.
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Origin of tuber
11660–70; <Latin tūber bump, swelling. Cf. truffle
OTHER WORDS FROM tuber
tu·ber·less, adjectivetu·ber·oid, adjectiveWords nearby tuber
Other definitions for tuber (2 of 2)
tuber2
[ too-ber, tyoo- ]
/ ˈtu bər, ˈtyu- /
noun
a person or thing that forms, installs, or operates with tubes.
Also called inner-tuber. a person who participates in the sport of tubing.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use tuber in a sentence
British Dictionary definitions for tuber
tuber
/ (ˈtjuːbə) /
noun
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
C17: from Latin tūber hump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for tuber
tuber
[ tōō′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.
The American Heritage® Science Dictionary
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