collateral

adjective | \ kə-ˈla-tə-rəl, -ˈla-trəl \ | col·lat·er·al

1. a : accompanying as a secondary fact, activity, or agency but subordinate to a main consideration

   b : secured by collateral a collateral loan

2. : belonging to the same ancestral stock but not in a direct line of descent — compare lineal

3. a : of, relating to, or being collateral used as a security (as for payment of a debt)

   b : secured by collateral a collateral loan

noun

1. : a collateral relative

2. : property pledged by a borrower to protect the interests of the lender in the event of the borrower's default; specifically, under Article 9 of the Uniform Commercial Code : property subject to a security interest : property subject to a security interest