COLLATERAL

I. adjective Etymology: Middle English, from Anglo-French, from Medieval Latin ~is, from Latin com- + lateralis lateral Date: 14th century 1. accompanying as secondary or subordinate ; concomitant , indirect , serving to support or reinforce ; ancillary , belonging to the same ancestral stock but not in a direct line of descent, parallel, coordinate, or corresponding in position, order, time, or significance , 4. of, relating to, or being ~ used as security (as for payment of a debt or performance of a contract), secured by ~, ~ity noun ~ly adverb II. noun Date: 1691 a ~ relative, property (as securities) pledged by a borrower to protect the interests of the lender, a branch of a bodily part (as a vein)