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English definition of “collateral”

collateral

noun [U] uk   /kəˈlæt.ər.əl/ us    /-ˈlæt̬.ɚ-/

collateral noun [U] (SECURITY FOR DEBT )

valuable property owned by someone who wants to borrow money, that they agree will become the property of the company or person who lends the money if the debt is not paid back: She used/put up her house as collateral for a loan.

collateral

noun [C] uk   /kəˈlæt.ər.əl/ us    /-ˈlæt̬.ɚ-/

collateral noun [C] (BLOOD VESSEL)

specialized medical a smaller blood vessel or nerve that grows out of the main part

collateral

adjective uk   /kəˈlæt.ər.əl/ us    /-ˈlæt̬.ɚ-/ formal
connected but less important, or of the same family although not directly related: collateral senses of a word a collateral branch of the family
(Definition of collateral from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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