Tuber definition

to͝obər, tyo͝o-
Frequency:
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.
noun
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A similar outgrowth of a plant root.
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A short, thickened, fleshy part of an underground stem, as a potato: new plants develop from the buds, or eyes, that grow in the axils of the minute scale leaves of a tuber.
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(anat.) A tubercle or swelling.
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The thickened part of an underground stem of a plant, such as the potato, bearing buds from which new plant shoots arise.
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A fleshy, thickened underground stem of a plant, usually containing stored starch, as for example a potato or arrowroot.
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(horticulture) A thickened "root-stock".
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anagrams
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A taxonomic genus within the family Tuberaceae "” true truffles and close relatives.
pronoun
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A rounded projection or swelling; a tubercle.
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Other Word Forms

Noun

Singular:
tuber
Plural:
tubers

Origin of tuber

  • Latin tūber lump teuə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin tÅ«ber (“bump, hump, swelling").

    From Wiktionary