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noun, plural tom·bo·los.
  1. a sand bar connecting an island to the mainland or to another island.
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Origin of tombolo

1899; < Italian < Latin tumulus mound. See tumulus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


British Dictionary definitions for tombolo


noun plural -los
  1. a narrow sand or shingle bar linking a small island with another island or the mainland
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Word Origin

C20: from Italian, from Latin tumulus mound; see tumulus
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

Word Origin and History for tombolo


1899, from Italian tombolo "sand dune," from Latin tumulus "hillock, mound" (see thigh).

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Online Etymology Dictionary, © 2010 Douglas Harper

tombolo in Science


  1. A sand or gravel bar that connects an island to the mainland or to another island.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.