tuber
1 Americannoun
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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.
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Anatomy. a rounded swelling or protuberance; a tuberosity; a tubercle.
noun
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a fleshy underground stem (as in the potato) or root (as in the dahlia) that is an organ of vegetative reproduction and food storage
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anatomy a raised area; swelling
Other Word Forms
- tuberless adjective
- tuberoid adjective
Etymology
Origin of tuber1
1660–70; < Latin tūber bump, swelling. truffle
Origin of tuber2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In bananas and cassava, nearly all PTEs except chromium were found in higher amounts below ground, in roots and tubers.
From Science Daily
I loosened the soil around them with my cutlass and pulled out a cluster of tubers.
From Literature
Millions of tasty tubers have been rolling into the country's capital, Berlin, since mid-January, with residents risking icy streets to bag their share.
From BBC
What appears to have started as one man’s idea of a joke has spread in recent years, with more households offering the tuber in an effort to give the festivities a topsy-turvy spin.
While bears are typically seen as apex predators, he says, black bears — the only wild bears left in California — are actually vegetarian-leaning omnivores, eating far more grass, tubers, roots and berries than meat.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
