tuber Hear it!

tuber definition

tu·ber (to̵̅o̅′bər, tyo̵̅o̅′-)

noun

  1. 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
  2. Anat. a tubercle or swelling

Etymology: L, lit., a swelling, knob, truffle < IE *teubh- < base *tēu-, to swell > thumb, L tumere, to swell

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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