• synonyms


[too-ber-uh s, tyoo-]
  1. characterized by the presence of rounded or wartlike prominences or tubers.
  2. of the nature of such a prominence.
  3. Botany. bearing tubers.
  4. having the nature of or resembling a tuber.
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Also tuberose.

Origin of tuberous

First recorded in 1640–50, tuberous is from the Latin word tūberōsus knobby. See tuber1, -ous
Related formssem·i·tu·ber·ous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for tuberous


tuberose (ˈtjuːbəˌrəʊs)

  1. (of plants or their parts) forming, bearing, or resembling a tuber or tubersa tuberous root
  2. anatomy of, relating to, or having warty protuberances or tubers
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Word Origin

C17: from Latin tūberōsus full of knobs; see tuber
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

tuberous in Medicine


  1. Producing or bearing tubers.
  2. Being or resembling a knot; nodular; lumpy.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.