• enPR: tyo͞o'bə(r), IPA: /tjuːbə(ɹ)/

tuber (plural tubers)

  1. A fleshy, thickened underground stem of a plant, usually containing stored starch, for example a potato or arrowroot.
  2. (horticulture) A thickened rootstock.
  3. (anatomy) A rounded, protuberant structure in a human or animal body.
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