[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.
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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tuberous

Historical Examples of tuberous

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

Word Origin for tuberous

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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.