[ kuh-lat-er-uh l ]
/ kəˈlæt ər əl /



Nearby words

  1. collaret,
  2. collarette,
  3. collarless,
  4. collat.,
  5. collate,
  6. collateral artery,
  7. collateral circulation,
  8. collateral damage,
  9. collateral fissure,
  10. collateral hyperemia

Origin of collateral

1350–1400; Middle English (< Anglo-French) < Medieval Latin collaterālis, equivalent to col- col-1 + laterālis lateral

Related formscol·lat·er·al·i·ty [koh-lat-uh-ral-i-tee] /koʊˌlæt əˈræl ɪ ti/, col·lat·er·al·ness, nouncol·lat·er·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for collateral

British Dictionary definitions for collateral


/ (kɒˈlætərəl, kə-) /


  1. security pledged for the repayment of a loan
  2. (as modifier)a collateral loan
a person, animal, or plant descended from the same ancestor as another but through a different line


Derived Formscollaterally, adverb

Word Origin for collateral

C14: from Medieval Latin collaterālis, from Latin com- together + laterālis of the side, from latus side

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 collateral
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for collateral


[ kə-lătər-əl ]


Indirect, subsidiary, or accessory to the main thing.
Having an ancestor in common but descended from a different line.


A branch of a nerve axon or blood vessel.
A collateral relative.
Related formscol•later•al•ly adv.

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

Culture definitions for collateral


Property or its equivalent that a debtor deposits with a creditor to guarantee repayment of a debt.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.