[ kuh-lat-er-uh l ]
/ kəˈlæt ər əl /



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

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.