plural tubers
1
a
: a short fleshy usually underground stem bearing minute scale leaves each of which bears a bud in its axil and is potentially able to produce a new plant
Wireworms work beneath the soil, tunneling in the potato tubers and sometimes doing serious damage.—
Glenn Drowns
Glenn DrownsManioc flour, made from cassava (a starchy tuber), is available at many Latin American markets.—Paul Theroux
compare bulb, corm
Paul Theroux
b
: a fleshy root or rhizome resembling a tuber
2
plural tubers
: a person who engages in the sport or activity of riding an inner tube (as down a river or snowy slope) : one who participates in tubing
With so many tubers using the river, streambank erosion became a problem at popular exit points.—Jerry Gerlach et al.
Jerry Gerlach et al.Skiers, snowboarders and snow tubers have seen everything Mother Nature can throw at them this winter.—Ron Leonardi
Ron LeonardiExamples of tuber in a Sentence
Recent Examples on the Web
Katie Hunt, CNN, 18 Oct. 2024
Plant tubers 2 inches deep, such that the top of the tuber lies 2 inches beneath the soil surface.
—Kim Toscano, Southern Living, 5 Sep. 2024
Vegetables and Plant-Based Protein Sources Vegetables are foods that come from any edible part of a plant, such as leaves, seeds, roots, flowers, tubers, stems, and bulbs.
—Nancy Lebrun, Verywell Health, 11 Oct. 2024
Be careful not to cut through the tubers when digging or bruise the spuds with rough handling.
—Lauren Landers, Better Homes & Gardens, 2 Oct. 2024
See all Example Sentences for tuber 
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Noun
But archaeological evidence in recent years has challenged this view, suggesting that humans long ago developed a taste for carbohydrates, roasting things such as tubers and other starch-laden foods that have been detected by analyzing bacteria lodged in teeth.
—Katie Hunt, CNN, 18 Oct. 2024
Plant tubers 2 inches deep, such that the top of the tuber lies 2 inches beneath the soil surface.
—Kim Toscano, Southern Living, 5 Sep. 2024
Vegetables and Plant-Based Protein Sources Vegetables are foods that come from any edible part of a plant, such as leaves, seeds, roots, flowers, tubers, stems, and bulbs.
—Nancy Lebrun, Verywell Health, 11 Oct. 2024
Be careful not to cut through the tubers when digging or bruise the spuds with rough handling.
—Lauren Landers, Better Homes & Gardens, 2 Oct. 2024
See all Example Sentences for tuber
Dictionary Entries Near tuber
Cite this Entry
“Tuber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuber. Accessed 23 Nov. 2024.
Copy CitationKids Definition
tuber
noun
tu·ber
ˈt(y)ü-bər 
1
: a short fleshy usually underground stem (as of a potato plant) having tiny scalelike leaves each with a bud at its base that can produce a new plant compare bulb sense 1a, corm
2
: a fleshy root or rhizome that resembles a tuber
Medical Definition
tuber
noun
tu·ber
ˈt(y)ü-bər
: an anatomical prominence : tuberosity
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