tu·ber | \ˈtü-bər, ˈtyü-\

Definition of tuber 

1a : 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 — compare bulb, corm

b : a fleshy root or rhizome resembling a tuber

Examples of tuber in a Sentence

Recent Examples on the Web

Expose last year's tubers to light so eyes develop before dividing and replanting. Jeff Lowenfels, Anchorage Daily News, "Alaska gardeners, it’s time to germinate something," 29 Mar. 2018 Dark-colored blotches penetrate the flesh of tubers. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 Unlike the bustling marketplace of competing outfitters in New Braunfels, most San Marcos tubers get their gear and shuttle service from the city’s concessionaire, a local Lion’s Club. Krista Torralva, San Antonio Express-News, "Water sports plentiful in and around San Antonio," 11 June 2018 Found at restaurants owned by venerable chefs like Thomas Keller, Jean-Georges Vongerichten, Dominique Crenn, and Daniel Humm, Australian black truffles are harvested from June to August, providing fresh tubers when Europe isn’t able to. Christina Liao, Vogue, "Why You Should Be Going to Australia for Fresh Black Truffles," 12 July 2018 The Domes got its first titan arum from a tuber off a corpse flower plant at the University of Wisconsin a couple decades ago, said Braunreiter. Meg Jones, Milwaukee Journal Sentinel, "Stinky corpse flower draws crowds to Domes for glimpse and whiff," 13 June 2018 For winter sports, the city’s Sault Seal Recreation Area is a convenient practice spot for downhill skiing, and a hub for snow tubers. Laura Kiniry, Smithsonian, "The 20 Best Small Towns To Visit in 2018," 5 June 2018 Invasive swordfern with tubers towards bottom Kenneth Setzer Fairchild Tropical Botanic Garden Swordfern (Nephrolepiscordifolia), and Asian swordfern (N. brownii) are two sneaky invasive ferns. Kenneth Setzer, miamiherald, "These plants are troublemakers in South Florida gardens. Avoid them. | Miami Herald," 20 Apr. 2018 Sweet potatoes are the only plant in the Ipomoea genus with a tuber—a large, thick root that stores nutrients and produces the buds that grow into new plants. Kiona N. Smith, Ars Technica, "Polynesians may not have gone grocery shopping in South America," 12 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tuber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tuber

1668, in the meaning defined at sense 1a

History and Etymology for tuber

Latin, swelling, truffle; perhaps akin to Latin tumēre to swell — more at thumb entry 1

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Statistics for tuber

Last Updated

26 Sep 2018

Look-up Popularity

Time Traveler for tuber

The first known use of tuber was in 1668

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English Language Learners Definition of tuber

: a short, thick, round stem that is a part of certain plants (such as the potato), that grows underground, and that can produce a new plant


tu·ber | \ˈtü-bər, ˈtyü-\

Kids Definition of tuber

: a short thick fleshy usually underground stem (as of a potato plant) having buds that can produce new plants


tu·ber | \ˈt(y)ü-bər \

Medical Definition of tuber 

: an anatomical prominence : tuberosity

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Comments on tuber

What made you want to look up tuber? Please tell us where you read or heard it (including the quote, if possible).


exaggeratedly or childishly emotional

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