collateral

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col·lat·er·al / kəˈlatərəl; kəˈlatrəl/ • n. 1. something pledged as security for repayment of a loan.2. a person having the same descent in a family as another but by a different line.• adj. 1. descended from the same stock but by a different line: a collateral descendant of George Washington.2. additional but subordinate; secondary: the collateral meanings of a word. ∎  situated side by side; parallel: collateral veins.DERIVATIVES: col·lat·er·al·i·ty / kəˌlatəˈralitē/ n.col·lat·er·al·ly adv.

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